1160 lines
		
	
	
		
			40 KiB
		
	
	
	
		
			PHP
		
	
	
	
			
		
		
	
	
			1160 lines
		
	
	
		
			40 KiB
		
	
	
	
		
			PHP
		
	
	
	
<?php
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/**
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 * @package JAMA
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 */
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/** PHPExcel root directory */
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if (!defined('PHPEXCEL_ROOT')) {
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    /**
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     * @ignore
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     */
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    define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../../');
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    require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
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}
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/*
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 *    Matrix class
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 *
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 *    @author Paul Meagher
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 *    @author Michael Bommarito
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 *    @author Lukasz Karapuda
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 *    @author Bartek Matosiuk
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 *    @version 1.8
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 *    @license PHP v3.0
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 *    @see http://math.nist.gov/javanumerics/jama/
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 */
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class PHPExcel_Shared_JAMA_Matrix
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{
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    const POLYMORPHIC_ARGUMENT_EXCEPTION = "Invalid argument pattern for polymorphic function.";
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    const ARGUMENT_TYPE_EXCEPTION        = "Invalid argument type.";
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    const ARGUMENT_BOUNDS_EXCEPTION      = "Invalid argument range.";
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    const MATRIX_DIMENSION_EXCEPTION     = "Matrix dimensions are not equal.";
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    const ARRAY_LENGTH_EXCEPTION         = "Array length must be a multiple of m.";
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    /**
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     *    Matrix storage
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     *
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     *    @var array
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     *    @access public
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     */
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    public $A = array();
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    /**
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     *    Matrix row dimension
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     *
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     *    @var int
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     *    @access private
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     */
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    private $m;
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    /**
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     *    Matrix column dimension
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     *
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     *    @var int
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     *    @access private
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     */
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    private $n;
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    /**
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     *    Polymorphic constructor
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     *
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     *    As PHP has no support for polymorphic constructors, we hack our own sort of polymorphism using func_num_args, func_get_arg, and gettype. In essence, we're just implementing a simple RTTI filter and calling the appropriate constructor.
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     */
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    public function __construct()
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    {
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        if (func_num_args() > 0) {
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            $args = func_get_args();
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            $match = implode(",", array_map('gettype', $args));
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            switch ($match) {
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                //Rectangular matrix - m x n initialized from 2D array
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                case 'array':
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                    $this->m = count($args[0]);
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                    $this->n = count($args[0][0]);
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                    $this->A = $args[0];
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                    break;
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                //Square matrix - n x n
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                case 'integer':
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                    $this->m = $args[0];
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                    $this->n = $args[0];
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                    $this->A = array_fill(0, $this->m, array_fill(0, $this->n, 0));
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                    break;
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                //Rectangular matrix - m x n
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                case 'integer,integer':
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                    $this->m = $args[0];
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                    $this->n = $args[1];
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                    $this->A = array_fill(0, $this->m, array_fill(0, $this->n, 0));
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                    break;
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                //Rectangular matrix - m x n initialized from packed array
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                case 'array,integer':
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                    $this->m = $args[1];
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                    if ($this->m != 0) {
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                        $this->n = count($args[0]) / $this->m;
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                    } else {
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                        $this->n = 0;
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                    }
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                    if (($this->m * $this->n) == count($args[0])) {
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                        for ($i = 0; $i < $this->m; ++$i) {
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                            for ($j = 0; $j < $this->n; ++$j) {
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                                $this->A[$i][$j] = $args[0][$i + $j * $this->m];
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                            }
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                        }
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                    } else {
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                        throw new PHPExcel_Calculation_Exception(self::ARRAY_LENGTH_EXCEPTION);
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                    }
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                    break;
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                default:
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                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
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                    break;
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            }
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        } else {
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            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
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        }
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    }
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    /**
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     *    getArray
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     *
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     *    @return array Matrix array
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     */
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    public function getArray()
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    {
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        return $this->A;
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    }
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    /**
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     *    getRowDimension
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     *
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     *    @return int Row dimension
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     */
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    public function getRowDimension()
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    {
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        return $this->m;
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    }
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    /**
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     *    getColumnDimension
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     *
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     *    @return int Column dimension
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     */
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    public function getColumnDimension()
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    {
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        return $this->n;
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    }
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    /**
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     *    get
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     *
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     *    Get the i,j-th element of the matrix.
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     *    @param int $i Row position
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     *    @param int $j Column position
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     *    @return mixed Element (int/float/double)
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     */
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    public function get($i = null, $j = null)
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    {
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        return $this->A[$i][$j];
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    }
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    /**
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     *    getMatrix
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     *
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     *    Get a submatrix
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     *    @param int $i0 Initial row index
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     *    @param int $iF Final row index
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     *    @param int $j0 Initial column index
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     *    @param int $jF Final column index
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     *    @return Matrix Submatrix
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     */
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    public function getMatrix()
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    {
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        if (func_num_args() > 0) {
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            $args = func_get_args();
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            $match = implode(",", array_map('gettype', $args));
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            switch ($match) {
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                //A($i0...; $j0...)
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                case 'integer,integer':
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                    list($i0, $j0) = $args;
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                    if ($i0 >= 0) {
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                        $m = $this->m - $i0;
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                    } else {
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                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_BOUNDS_EXCEPTION);
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                    }
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                    if ($j0 >= 0) {
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                        $n = $this->n - $j0;
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                    } else {
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                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_BOUNDS_EXCEPTION);
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                    }
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                    $R = new PHPExcel_Shared_JAMA_Matrix($m, $n);
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                    for ($i = $i0; $i < $this->m; ++$i) {
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                        for ($j = $j0; $j < $this->n; ++$j) {
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                            $R->set($i, $j, $this->A[$i][$j]);
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                        }
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                    }
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                    return $R;
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                    break;
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                //A($i0...$iF; $j0...$jF)
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                case 'integer,integer,integer,integer':
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                    list($i0, $iF, $j0, $jF) = $args;
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                    if (($iF > $i0) && ($this->m >= $iF) && ($i0 >= 0)) {
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                        $m = $iF - $i0;
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                    } else {
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                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_BOUNDS_EXCEPTION);
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                    }
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                    if (($jF > $j0) && ($this->n >= $jF) && ($j0 >= 0)) {
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                        $n = $jF - $j0;
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                    } else {
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                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_BOUNDS_EXCEPTION);
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                    }
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                    $R = new PHPExcel_Shared_JAMA_Matrix($m+1, $n+1);
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                    for ($i = $i0; $i <= $iF; ++$i) {
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                        for ($j = $j0; $j <= $jF; ++$j) {
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                            $R->set($i - $i0, $j - $j0, $this->A[$i][$j]);
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                        }
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                    }
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                    return $R;
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                    break;
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                //$R = array of row indices; $C = array of column indices
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                case 'array,array':
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                    list($RL, $CL) = $args;
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                    if (count($RL) > 0) {
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                        $m = count($RL);
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                    } else {
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                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_BOUNDS_EXCEPTION);
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                    }
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                    if (count($CL) > 0) {
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                        $n = count($CL);
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                    } else {
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                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_BOUNDS_EXCEPTION);
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                    }
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                    $R = new PHPExcel_Shared_JAMA_Matrix($m, $n);
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                    for ($i = 0; $i < $m; ++$i) {
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                        for ($j = 0; $j < $n; ++$j) {
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                            $R->set($i - $i0, $j - $j0, $this->A[$RL[$i]][$CL[$j]]);
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                        }
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                    }
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                    return $R;
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                    break;
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                //$RL = array of row indices; $CL = array of column indices
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                case 'array,array':
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                    list($RL, $CL) = $args;
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                    if (count($RL) > 0) {
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                        $m = count($RL);
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                    } else {
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                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_BOUNDS_EXCEPTION);
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                    }
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                    if (count($CL) > 0) {
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                        $n = count($CL);
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                    } else {
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                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_BOUNDS_EXCEPTION);
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                    }
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                    $R = new PHPExcel_Shared_JAMA_Matrix($m, $n);
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                    for ($i = 0; $i < $m; ++$i) {
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                        for ($j = 0; $j < $n; ++$j) {
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                            $R->set($i, $j, $this->A[$RL[$i]][$CL[$j]]);
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                        }
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                    }
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                    return $R;
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                    break;
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                //A($i0...$iF); $CL = array of column indices
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                case 'integer,integer,array':
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                    list($i0, $iF, $CL) = $args;
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                    if (($iF > $i0) && ($this->m >= $iF) && ($i0 >= 0)) {
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                        $m = $iF - $i0;
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                    } else {
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                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_BOUNDS_EXCEPTION);
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                    }
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                    if (count($CL) > 0) {
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						|
                        $n = count($CL);
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						|
                    } else {
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                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_BOUNDS_EXCEPTION);
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						|
                    }
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                    $R = new PHPExcel_Shared_JAMA_Matrix($m, $n);
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                    for ($i = $i0; $i < $iF; ++$i) {
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                        for ($j = 0; $j < $n; ++$j) {
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                            $R->set($i - $i0, $j, $this->A[$RL[$i]][$j]);
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                        }
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                    }
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                    return $R;
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                    break;
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                //$RL = array of row indices
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                case 'array,integer,integer':
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                    list($RL, $j0, $jF) = $args;
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                    if (count($RL) > 0) {
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                        $m = count($RL);
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                    } else {
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                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_BOUNDS_EXCEPTION);
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                    }
 | 
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                    if (($jF >= $j0) && ($this->n >= $jF) && ($j0 >= 0)) {
 | 
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                        $n = $jF - $j0;
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                    } else {
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                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_BOUNDS_EXCEPTION);
 | 
						|
                    }
 | 
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                    $R = new PHPExcel_Shared_JAMA_Matrix($m, $n+1);
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                    for ($i = 0; $i < $m; ++$i) {
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                        for ($j = $j0; $j <= $jF; ++$j) {
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                            $R->set($i, $j - $j0, $this->A[$RL[$i]][$j]);
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                        }
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                    }
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                    return $R;
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                    break;
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						|
                default:
 | 
						|
                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
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                    break;
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
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        }
 | 
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    }
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    /**
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						|
     *    checkMatrixDimensions
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						|
     *
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     *    Is matrix B the same size?
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						|
     *    @param Matrix $B Matrix B
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						|
     *    @return boolean
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     */
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    public function checkMatrixDimensions($B = null)
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    {
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						|
        if ($B instanceof PHPExcel_Shared_JAMA_Matrix) {
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						|
            if (($this->m == $B->getRowDimension()) && ($this->n == $B->getColumnDimension())) {
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                return true;
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						|
            } else {
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						|
                throw new PHPExcel_Calculation_Exception(self::MATRIX_DIMENSION_EXCEPTION);
 | 
						|
            }
 | 
						|
        } else {
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            throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
 | 
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        }
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						|
    }    //    function checkMatrixDimensions()
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						|
 | 
						|
    /**
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						|
     *    set
 | 
						|
     *
 | 
						|
     *    Set the i,j-th element of the matrix.
 | 
						|
     *    @param int $i Row position
 | 
						|
     *    @param int $j Column position
 | 
						|
     *    @param mixed $c Int/float/double value
 | 
						|
     *    @return mixed Element (int/float/double)
 | 
						|
     */
 | 
						|
    public function set($i = null, $j = null, $c = null)
 | 
						|
    {
 | 
						|
        // Optimized set version just has this
 | 
						|
        $this->A[$i][$j] = $c;
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						|
    }    //    function set()
 | 
						|
 | 
						|
    /**
 | 
						|
     *    identity
 | 
						|
     *
 | 
						|
     *    Generate an identity matrix.
 | 
						|
     *    @param int $m Row dimension
 | 
						|
     *    @param int $n Column dimension
 | 
						|
     *    @return Matrix Identity matrix
 | 
						|
     */
 | 
						|
    public function identity($m = null, $n = null)
 | 
						|
    {
 | 
						|
        return $this->diagonal($m, $n, 1);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     *    diagonal
 | 
						|
     *
 | 
						|
     *    Generate a diagonal matrix
 | 
						|
     *    @param int $m Row dimension
 | 
						|
     *    @param int $n Column dimension
 | 
						|
     *    @param mixed $c Diagonal value
 | 
						|
     *    @return Matrix Diagonal matrix
 | 
						|
     */
 | 
						|
    public function diagonal($m = null, $n = null, $c = 1)
 | 
						|
    {
 | 
						|
        $R = new PHPExcel_Shared_JAMA_Matrix($m, $n);
 | 
						|
        for ($i = 0; $i < $m; ++$i) {
 | 
						|
            $R->set($i, $i, $c);
 | 
						|
        }
 | 
						|
        return $R;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     *    getMatrixByRow
 | 
						|
     *
 | 
						|
     *    Get a submatrix by row index/range
 | 
						|
     *    @param int $i0 Initial row index
 | 
						|
     *    @param int $iF Final row index
 | 
						|
     *    @return Matrix Submatrix
 | 
						|
     */
 | 
						|
    public function getMatrixByRow($i0 = null, $iF = null)
 | 
						|
    {
 | 
						|
        if (is_int($i0)) {
 | 
						|
            if (is_int($iF)) {
 | 
						|
                return $this->getMatrix($i0, 0, $iF + 1, $this->n);
 | 
						|
            } else {
 | 
						|
                return $this->getMatrix($i0, 0, $i0 + 1, $this->n);
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     *    getMatrixByCol
 | 
						|
     *
 | 
						|
     *    Get a submatrix by column index/range
 | 
						|
     *    @param int $i0 Initial column index
 | 
						|
     *    @param int $iF Final column index
 | 
						|
     *    @return Matrix Submatrix
 | 
						|
     */
 | 
						|
    public function getMatrixByCol($j0 = null, $jF = null)
 | 
						|
    {
 | 
						|
        if (is_int($j0)) {
 | 
						|
            if (is_int($jF)) {
 | 
						|
                return $this->getMatrix(0, $j0, $this->m, $jF + 1);
 | 
						|
            } else {
 | 
						|
                return $this->getMatrix(0, $j0, $this->m, $j0 + 1);
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     *    transpose
 | 
						|
     *
 | 
						|
     *    Tranpose matrix
 | 
						|
     *    @return Matrix Transposed matrix
 | 
						|
     */
 | 
						|
    public function transpose()
 | 
						|
    {
 | 
						|
        $R = new PHPExcel_Shared_JAMA_Matrix($this->n, $this->m);
 | 
						|
        for ($i = 0; $i < $this->m; ++$i) {
 | 
						|
            for ($j = 0; $j < $this->n; ++$j) {
 | 
						|
                $R->set($j, $i, $this->A[$i][$j]);
 | 
						|
            }
 | 
						|
        }
 | 
						|
        return $R;
 | 
						|
    }    //    function transpose()
 | 
						|
 | 
						|
    /**
 | 
						|
     *    trace
 | 
						|
     *
 | 
						|
     *    Sum of diagonal elements
 | 
						|
     *    @return float Sum of diagonal elements
 | 
						|
     */
 | 
						|
    public function trace()
 | 
						|
    {
 | 
						|
        $s = 0;
 | 
						|
        $n = min($this->m, $this->n);
 | 
						|
        for ($i = 0; $i < $n; ++$i) {
 | 
						|
            $s += $this->A[$i][$i];
 | 
						|
        }
 | 
						|
        return $s;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     *    uminus
 | 
						|
     *
 | 
						|
     *    Unary minus matrix -A
 | 
						|
     *    @return Matrix Unary minus matrix
 | 
						|
     */
 | 
						|
    public function uminus()
 | 
						|
    {
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     *    plus
 | 
						|
     *
 | 
						|
     *    A + B
 | 
						|
     *    @param mixed $B Matrix/Array
 | 
						|
     *    @return Matrix Sum
 | 
						|
     */
 | 
						|
    public function plus()
 | 
						|
    {
 | 
						|
        if (func_num_args() > 0) {
 | 
						|
            $args = func_get_args();
 | 
						|
            $match = implode(",", array_map('gettype', $args));
 | 
						|
 | 
						|
            switch ($match) {
 | 
						|
                case 'object':
 | 
						|
                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
 | 
						|
                        $M = $args[0];
 | 
						|
                    } else {
 | 
						|
                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
 | 
						|
                    }
 | 
						|
                    break;
 | 
						|
                case 'array':
 | 
						|
                    $M = new PHPExcel_Shared_JAMA_Matrix($args[0]);
 | 
						|
                    break;
 | 
						|
                default:
 | 
						|
                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
                    break;
 | 
						|
            }
 | 
						|
            $this->checkMatrixDimensions($M);
 | 
						|
            for ($i = 0; $i < $this->m; ++$i) {
 | 
						|
                for ($j = 0; $j < $this->n; ++$j) {
 | 
						|
                    $M->set($i, $j, $M->get($i, $j) + $this->A[$i][$j]);
 | 
						|
                }
 | 
						|
            }
 | 
						|
            return $M;
 | 
						|
        } else {
 | 
						|
            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     *    plusEquals
 | 
						|
     *
 | 
						|
     *    A = A + B
 | 
						|
     *    @param mixed $B Matrix/Array
 | 
						|
     *    @return Matrix Sum
 | 
						|
     */
 | 
						|
    public function plusEquals()
 | 
						|
    {
 | 
						|
        if (func_num_args() > 0) {
 | 
						|
            $args = func_get_args();
 | 
						|
            $match = implode(",", array_map('gettype', $args));
 | 
						|
 | 
						|
            switch ($match) {
 | 
						|
                case 'object':
 | 
						|
                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
 | 
						|
                        $M = $args[0];
 | 
						|
                    } else {
 | 
						|
                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
 | 
						|
                    }
 | 
						|
                    break;
 | 
						|
                case 'array':
 | 
						|
                    $M = new PHPExcel_Shared_JAMA_Matrix($args[0]);
 | 
						|
                    break;
 | 
						|
                default:
 | 
						|
                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
                    break;
 | 
						|
            }
 | 
						|
            $this->checkMatrixDimensions($M);
 | 
						|
            for ($i = 0; $i < $this->m; ++$i) {
 | 
						|
                for ($j = 0; $j < $this->n; ++$j) {
 | 
						|
                    $validValues = true;
 | 
						|
                    $value = $M->get($i, $j);
 | 
						|
                    if ((is_string($this->A[$i][$j])) && (strlen($this->A[$i][$j]) > 0) && (!is_numeric($this->A[$i][$j]))) {
 | 
						|
                        $this->A[$i][$j] = trim($this->A[$i][$j], '"');
 | 
						|
                        $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($this->A[$i][$j]);
 | 
						|
                    }
 | 
						|
                    if ((is_string($value)) && (strlen($value) > 0) && (!is_numeric($value))) {
 | 
						|
                        $value = trim($value, '"');
 | 
						|
                        $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($value);
 | 
						|
                    }
 | 
						|
                    if ($validValues) {
 | 
						|
                        $this->A[$i][$j] += $value;
 | 
						|
                    } else {
 | 
						|
                        $this->A[$i][$j] = PHPExcel_Calculation_Functions::NaN();
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
            return $this;
 | 
						|
        } else {
 | 
						|
            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     *    minus
 | 
						|
     *
 | 
						|
     *    A - B
 | 
						|
     *    @param mixed $B Matrix/Array
 | 
						|
     *    @return Matrix Sum
 | 
						|
     */
 | 
						|
    public function minus()
 | 
						|
    {
 | 
						|
        if (func_num_args() > 0) {
 | 
						|
            $args = func_get_args();
 | 
						|
            $match = implode(",", array_map('gettype', $args));
 | 
						|
 | 
						|
            switch ($match) {
 | 
						|
                case 'object':
 | 
						|
                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
 | 
						|
                        $M = $args[0];
 | 
						|
                    } else {
 | 
						|
                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
 | 
						|
                    }
 | 
						|
                    break;
 | 
						|
                case 'array':
 | 
						|
                    $M = new PHPExcel_Shared_JAMA_Matrix($args[0]);
 | 
						|
                    break;
 | 
						|
                default:
 | 
						|
                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
                    break;
 | 
						|
            }
 | 
						|
            $this->checkMatrixDimensions($M);
 | 
						|
            for ($i = 0; $i < $this->m; ++$i) {
 | 
						|
                for ($j = 0; $j < $this->n; ++$j) {
 | 
						|
                    $M->set($i, $j, $M->get($i, $j) - $this->A[$i][$j]);
 | 
						|
                }
 | 
						|
            }
 | 
						|
            return $M;
 | 
						|
        } else {
 | 
						|
            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     *    minusEquals
 | 
						|
     *
 | 
						|
     *    A = A - B
 | 
						|
     *    @param mixed $B Matrix/Array
 | 
						|
     *    @return Matrix Sum
 | 
						|
     */
 | 
						|
    public function minusEquals()
 | 
						|
    {
 | 
						|
        if (func_num_args() > 0) {
 | 
						|
            $args = func_get_args();
 | 
						|
            $match = implode(",", array_map('gettype', $args));
 | 
						|
 | 
						|
            switch ($match) {
 | 
						|
                case 'object':
 | 
						|
                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
 | 
						|
                        $M = $args[0];
 | 
						|
                    } else {
 | 
						|
                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
 | 
						|
                    }
 | 
						|
                    break;
 | 
						|
                case 'array':
 | 
						|
                    $M = new PHPExcel_Shared_JAMA_Matrix($args[0]);
 | 
						|
                    break;
 | 
						|
                default:
 | 
						|
                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
                    break;
 | 
						|
            }
 | 
						|
            $this->checkMatrixDimensions($M);
 | 
						|
            for ($i = 0; $i < $this->m; ++$i) {
 | 
						|
                for ($j = 0; $j < $this->n; ++$j) {
 | 
						|
                    $validValues = true;
 | 
						|
                    $value = $M->get($i, $j);
 | 
						|
                    if ((is_string($this->A[$i][$j])) && (strlen($this->A[$i][$j]) > 0) && (!is_numeric($this->A[$i][$j]))) {
 | 
						|
                        $this->A[$i][$j] = trim($this->A[$i][$j], '"');
 | 
						|
                        $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($this->A[$i][$j]);
 | 
						|
                    }
 | 
						|
                    if ((is_string($value)) && (strlen($value) > 0) && (!is_numeric($value))) {
 | 
						|
                        $value = trim($value, '"');
 | 
						|
                        $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($value);
 | 
						|
                    }
 | 
						|
                    if ($validValues) {
 | 
						|
                        $this->A[$i][$j] -= $value;
 | 
						|
                    } else {
 | 
						|
                        $this->A[$i][$j] = PHPExcel_Calculation_Functions::NaN();
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
            return $this;
 | 
						|
        } else {
 | 
						|
            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     *    arrayTimes
 | 
						|
     *
 | 
						|
     *    Element-by-element multiplication
 | 
						|
     *    Cij = Aij * Bij
 | 
						|
     *    @param mixed $B Matrix/Array
 | 
						|
     *    @return Matrix Matrix Cij
 | 
						|
     */
 | 
						|
    public function arrayTimes()
 | 
						|
    {
 | 
						|
        if (func_num_args() > 0) {
 | 
						|
            $args = func_get_args();
 | 
						|
            $match = implode(",", array_map('gettype', $args));
 | 
						|
 | 
						|
            switch ($match) {
 | 
						|
                case 'object':
 | 
						|
                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
 | 
						|
                        $M = $args[0];
 | 
						|
                    } else {
 | 
						|
                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
 | 
						|
                    }
 | 
						|
                    break;
 | 
						|
                case 'array':
 | 
						|
                    $M = new PHPExcel_Shared_JAMA_Matrix($args[0]);
 | 
						|
                    break;
 | 
						|
                default:
 | 
						|
                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
                    break;
 | 
						|
            }
 | 
						|
            $this->checkMatrixDimensions($M);
 | 
						|
            for ($i = 0; $i < $this->m; ++$i) {
 | 
						|
                for ($j = 0; $j < $this->n; ++$j) {
 | 
						|
                    $M->set($i, $j, $M->get($i, $j) * $this->A[$i][$j]);
 | 
						|
                }
 | 
						|
            }
 | 
						|
            return $M;
 | 
						|
        } else {
 | 
						|
            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     *    arrayTimesEquals
 | 
						|
     *
 | 
						|
     *    Element-by-element multiplication
 | 
						|
     *    Aij = Aij * Bij
 | 
						|
     *    @param mixed $B Matrix/Array
 | 
						|
     *    @return Matrix Matrix Aij
 | 
						|
     */
 | 
						|
    public function arrayTimesEquals()
 | 
						|
    {
 | 
						|
        if (func_num_args() > 0) {
 | 
						|
            $args = func_get_args();
 | 
						|
            $match = implode(",", array_map('gettype', $args));
 | 
						|
 | 
						|
            switch ($match) {
 | 
						|
                case 'object':
 | 
						|
                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
 | 
						|
                        $M = $args[0];
 | 
						|
                    } else {
 | 
						|
                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
 | 
						|
                    }
 | 
						|
                    break;
 | 
						|
                case 'array':
 | 
						|
                    $M = new PHPExcel_Shared_JAMA_Matrix($args[0]);
 | 
						|
                    break;
 | 
						|
                default:
 | 
						|
                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
                    break;
 | 
						|
            }
 | 
						|
            $this->checkMatrixDimensions($M);
 | 
						|
            for ($i = 0; $i < $this->m; ++$i) {
 | 
						|
                for ($j = 0; $j < $this->n; ++$j) {
 | 
						|
                    $validValues = true;
 | 
						|
                    $value = $M->get($i, $j);
 | 
						|
                    if ((is_string($this->A[$i][$j])) && (strlen($this->A[$i][$j]) > 0) && (!is_numeric($this->A[$i][$j]))) {
 | 
						|
                        $this->A[$i][$j] = trim($this->A[$i][$j], '"');
 | 
						|
                        $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($this->A[$i][$j]);
 | 
						|
                    }
 | 
						|
                    if ((is_string($value)) && (strlen($value) > 0) && (!is_numeric($value))) {
 | 
						|
                        $value = trim($value, '"');
 | 
						|
                        $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($value);
 | 
						|
                    }
 | 
						|
                    if ($validValues) {
 | 
						|
                        $this->A[$i][$j] *= $value;
 | 
						|
                    } else {
 | 
						|
                        $this->A[$i][$j] = PHPExcel_Calculation_Functions::NaN();
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
            return $this;
 | 
						|
        } else {
 | 
						|
            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     *    arrayRightDivide
 | 
						|
     *
 | 
						|
     *    Element-by-element right division
 | 
						|
     *    A / B
 | 
						|
     *    @param Matrix $B Matrix B
 | 
						|
     *    @return Matrix Division result
 | 
						|
     */
 | 
						|
    public function arrayRightDivide()
 | 
						|
    {
 | 
						|
        if (func_num_args() > 0) {
 | 
						|
            $args = func_get_args();
 | 
						|
            $match = implode(",", array_map('gettype', $args));
 | 
						|
 | 
						|
            switch ($match) {
 | 
						|
                case 'object':
 | 
						|
                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
 | 
						|
                        $M = $args[0];
 | 
						|
                    } else {
 | 
						|
                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
 | 
						|
                    }
 | 
						|
                    break;
 | 
						|
                case 'array':
 | 
						|
                    $M = new PHPExcel_Shared_JAMA_Matrix($args[0]);
 | 
						|
                    break;
 | 
						|
                default:
 | 
						|
                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
                    break;
 | 
						|
            }
 | 
						|
            $this->checkMatrixDimensions($M);
 | 
						|
            for ($i = 0; $i < $this->m; ++$i) {
 | 
						|
                for ($j = 0; $j < $this->n; ++$j) {
 | 
						|
                    $validValues = true;
 | 
						|
                    $value = $M->get($i, $j);
 | 
						|
                    if ((is_string($this->A[$i][$j])) && (strlen($this->A[$i][$j]) > 0) && (!is_numeric($this->A[$i][$j]))) {
 | 
						|
                        $this->A[$i][$j] = trim($this->A[$i][$j], '"');
 | 
						|
                        $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($this->A[$i][$j]);
 | 
						|
                    }
 | 
						|
                    if ((is_string($value)) && (strlen($value) > 0) && (!is_numeric($value))) {
 | 
						|
                        $value = trim($value, '"');
 | 
						|
                        $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($value);
 | 
						|
                    }
 | 
						|
                    if ($validValues) {
 | 
						|
                        if ($value == 0) {
 | 
						|
                            //    Trap for Divide by Zero error
 | 
						|
                            $M->set($i, $j, '#DIV/0!');
 | 
						|
                        } else {
 | 
						|
                            $M->set($i, $j, $this->A[$i][$j] / $value);
 | 
						|
                        }
 | 
						|
                    } else {
 | 
						|
                        $M->set($i, $j, PHPExcel_Calculation_Functions::NaN());
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
            return $M;
 | 
						|
        } else {
 | 
						|
            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
 | 
						|
    /**
 | 
						|
     *    arrayRightDivideEquals
 | 
						|
     *
 | 
						|
     *    Element-by-element right division
 | 
						|
     *    Aij = Aij / Bij
 | 
						|
     *    @param mixed $B Matrix/Array
 | 
						|
     *    @return Matrix Matrix Aij
 | 
						|
     */
 | 
						|
    public function arrayRightDivideEquals()
 | 
						|
    {
 | 
						|
        if (func_num_args() > 0) {
 | 
						|
            $args = func_get_args();
 | 
						|
            $match = implode(",", array_map('gettype', $args));
 | 
						|
 | 
						|
            switch ($match) {
 | 
						|
                case 'object':
 | 
						|
                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
 | 
						|
                        $M = $args[0];
 | 
						|
                    } else {
 | 
						|
                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
 | 
						|
                    }
 | 
						|
                    break;
 | 
						|
                case 'array':
 | 
						|
                    $M = new PHPExcel_Shared_JAMA_Matrix($args[0]);
 | 
						|
                    break;
 | 
						|
                default:
 | 
						|
                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
                    break;
 | 
						|
            }
 | 
						|
            $this->checkMatrixDimensions($M);
 | 
						|
            for ($i = 0; $i < $this->m; ++$i) {
 | 
						|
                for ($j = 0; $j < $this->n; ++$j) {
 | 
						|
                    $this->A[$i][$j] = $this->A[$i][$j] / $M->get($i, $j);
 | 
						|
                }
 | 
						|
            }
 | 
						|
            return $M;
 | 
						|
        } else {
 | 
						|
            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
 | 
						|
    /**
 | 
						|
     *    arrayLeftDivide
 | 
						|
     *
 | 
						|
     *    Element-by-element Left division
 | 
						|
     *    A / B
 | 
						|
     *    @param Matrix $B Matrix B
 | 
						|
     *    @return Matrix Division result
 | 
						|
     */
 | 
						|
    public function arrayLeftDivide()
 | 
						|
    {
 | 
						|
        if (func_num_args() > 0) {
 | 
						|
            $args = func_get_args();
 | 
						|
            $match = implode(",", array_map('gettype', $args));
 | 
						|
 | 
						|
            switch ($match) {
 | 
						|
                case 'object':
 | 
						|
                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
 | 
						|
                        $M = $args[0];
 | 
						|
                    } else {
 | 
						|
                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
 | 
						|
                    }
 | 
						|
                    break;
 | 
						|
                case 'array':
 | 
						|
                    $M = new PHPExcel_Shared_JAMA_Matrix($args[0]);
 | 
						|
                    break;
 | 
						|
                default:
 | 
						|
                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
                    break;
 | 
						|
            }
 | 
						|
            $this->checkMatrixDimensions($M);
 | 
						|
            for ($i = 0; $i < $this->m; ++$i) {
 | 
						|
                for ($j = 0; $j < $this->n; ++$j) {
 | 
						|
                    $M->set($i, $j, $M->get($i, $j) / $this->A[$i][$j]);
 | 
						|
                }
 | 
						|
            }
 | 
						|
            return $M;
 | 
						|
        } else {
 | 
						|
            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
 | 
						|
    /**
 | 
						|
     *    arrayLeftDivideEquals
 | 
						|
     *
 | 
						|
     *    Element-by-element Left division
 | 
						|
     *    Aij = Aij / Bij
 | 
						|
     *    @param mixed $B Matrix/Array
 | 
						|
     *    @return Matrix Matrix Aij
 | 
						|
     */
 | 
						|
    public function arrayLeftDivideEquals()
 | 
						|
    {
 | 
						|
        if (func_num_args() > 0) {
 | 
						|
            $args = func_get_args();
 | 
						|
            $match = implode(",", array_map('gettype', $args));
 | 
						|
 | 
						|
            switch ($match) {
 | 
						|
                case 'object':
 | 
						|
                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
 | 
						|
                        $M = $args[0];
 | 
						|
                    } else {
 | 
						|
                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
 | 
						|
                    }
 | 
						|
                    break;
 | 
						|
                case 'array':
 | 
						|
                    $M = new PHPExcel_Shared_JAMA_Matrix($args[0]);
 | 
						|
                    break;
 | 
						|
                default:
 | 
						|
                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
                    break;
 | 
						|
            }
 | 
						|
            $this->checkMatrixDimensions($M);
 | 
						|
            for ($i = 0; $i < $this->m; ++$i) {
 | 
						|
                for ($j = 0; $j < $this->n; ++$j) {
 | 
						|
                    $this->A[$i][$j] = $M->get($i, $j) / $this->A[$i][$j];
 | 
						|
                }
 | 
						|
            }
 | 
						|
            return $M;
 | 
						|
        } else {
 | 
						|
            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
 | 
						|
    /**
 | 
						|
     *    times
 | 
						|
     *
 | 
						|
     *    Matrix multiplication
 | 
						|
     *    @param mixed $n Matrix/Array/Scalar
 | 
						|
     *    @return Matrix Product
 | 
						|
     */
 | 
						|
    public function times()
 | 
						|
    {
 | 
						|
        if (func_num_args() > 0) {
 | 
						|
            $args  = func_get_args();
 | 
						|
            $match = implode(",", array_map('gettype', $args));
 | 
						|
 | 
						|
            switch ($match) {
 | 
						|
                case 'object':
 | 
						|
                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
 | 
						|
                        $B = $args[0];
 | 
						|
                    } else {
 | 
						|
                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
 | 
						|
                    }
 | 
						|
                    if ($this->n == $B->m) {
 | 
						|
                        $C = new PHPExcel_Shared_JAMA_Matrix($this->m, $B->n);
 | 
						|
                        for ($j = 0; $j < $B->n; ++$j) {
 | 
						|
                            for ($k = 0; $k < $this->n; ++$k) {
 | 
						|
                                $Bcolj[$k] = $B->A[$k][$j];
 | 
						|
                            }
 | 
						|
                            for ($i = 0; $i < $this->m; ++$i) {
 | 
						|
                                $Arowi = $this->A[$i];
 | 
						|
                                $s = 0;
 | 
						|
                                for ($k = 0; $k < $this->n; ++$k) {
 | 
						|
                                    $s += $Arowi[$k] * $Bcolj[$k];
 | 
						|
                                }
 | 
						|
                                $C->A[$i][$j] = $s;
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
                        return $C;
 | 
						|
                    } else {
 | 
						|
                        throw new PHPExcel_Calculation_Exception(JAMAError(MatrixDimensionMismatch));
 | 
						|
                    }
 | 
						|
                    break;
 | 
						|
                case 'array':
 | 
						|
                    $B = new PHPExcel_Shared_JAMA_Matrix($args[0]);
 | 
						|
                    if ($this->n == $B->m) {
 | 
						|
                        $C = new PHPExcel_Shared_JAMA_Matrix($this->m, $B->n);
 | 
						|
                        for ($i = 0; $i < $C->m; ++$i) {
 | 
						|
                            for ($j = 0; $j < $C->n; ++$j) {
 | 
						|
                                $s = "0";
 | 
						|
                                for ($k = 0; $k < $C->n; ++$k) {
 | 
						|
                                    $s += $this->A[$i][$k] * $B->A[$k][$j];
 | 
						|
                                }
 | 
						|
                                $C->A[$i][$j] = $s;
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
                        return $C;
 | 
						|
                    } else {
 | 
						|
                        throw new PHPExcel_Calculation_Exception(JAMAError(MatrixDimensionMismatch));
 | 
						|
                    }
 | 
						|
                    return $M;
 | 
						|
                    break;
 | 
						|
                case 'integer':
 | 
						|
                    $C = new PHPExcel_Shared_JAMA_Matrix($this->A);
 | 
						|
                    for ($i = 0; $i < $C->m; ++$i) {
 | 
						|
                        for ($j = 0; $j < $C->n; ++$j) {
 | 
						|
                            $C->A[$i][$j] *= $args[0];
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                    return $C;
 | 
						|
                    break;
 | 
						|
                case 'double':
 | 
						|
                    $C = new PHPExcel_Shared_JAMA_Matrix($this->m, $this->n);
 | 
						|
                    for ($i = 0; $i < $C->m; ++$i) {
 | 
						|
                        for ($j = 0; $j < $C->n; ++$j) {
 | 
						|
                            $C->A[$i][$j] = $args[0] * $this->A[$i][$j];
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                    return $C;
 | 
						|
                    break;
 | 
						|
                case 'float':
 | 
						|
                    $C = new PHPExcel_Shared_JAMA_Matrix($this->A);
 | 
						|
                    for ($i = 0; $i < $C->m; ++$i) {
 | 
						|
                        for ($j = 0; $j < $C->n; ++$j) {
 | 
						|
                            $C->A[$i][$j] *= $args[0];
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                    return $C;
 | 
						|
                    break;
 | 
						|
                default:
 | 
						|
                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
                    break;
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     *    power
 | 
						|
     *
 | 
						|
     *    A = A ^ B
 | 
						|
     *    @param mixed $B Matrix/Array
 | 
						|
     *    @return Matrix Sum
 | 
						|
     */
 | 
						|
    public function power()
 | 
						|
    {
 | 
						|
        if (func_num_args() > 0) {
 | 
						|
            $args = func_get_args();
 | 
						|
            $match = implode(",", array_map('gettype', $args));
 | 
						|
 | 
						|
            switch ($match) {
 | 
						|
                case 'object':
 | 
						|
                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
 | 
						|
                        $M = $args[0];
 | 
						|
                    } else {
 | 
						|
                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
 | 
						|
                    }
 | 
						|
                    break;
 | 
						|
                case 'array':
 | 
						|
                    $M = new PHPExcel_Shared_JAMA_Matrix($args[0]);
 | 
						|
                    break;
 | 
						|
                default:
 | 
						|
                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
                    break;
 | 
						|
            }
 | 
						|
            $this->checkMatrixDimensions($M);
 | 
						|
            for ($i = 0; $i < $this->m; ++$i) {
 | 
						|
                for ($j = 0; $j < $this->n; ++$j) {
 | 
						|
                    $validValues = true;
 | 
						|
                    $value = $M->get($i, $j);
 | 
						|
                    if ((is_string($this->A[$i][$j])) && (strlen($this->A[$i][$j]) > 0) && (!is_numeric($this->A[$i][$j]))) {
 | 
						|
                        $this->A[$i][$j] = trim($this->A[$i][$j], '"');
 | 
						|
                        $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($this->A[$i][$j]);
 | 
						|
                    }
 | 
						|
                    if ((is_string($value)) && (strlen($value) > 0) && (!is_numeric($value))) {
 | 
						|
                        $value = trim($value, '"');
 | 
						|
                        $validValues &= PHPExcel_Shared_String::convertToNumberIfFraction($value);
 | 
						|
                    }
 | 
						|
                    if ($validValues) {
 | 
						|
                        $this->A[$i][$j] = pow($this->A[$i][$j], $value);
 | 
						|
                    } else {
 | 
						|
                        $this->A[$i][$j] = PHPExcel_Calculation_Functions::NaN();
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
            return $this;
 | 
						|
        } else {
 | 
						|
            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     *    concat
 | 
						|
     *
 | 
						|
     *    A = A & B
 | 
						|
     *    @param mixed $B Matrix/Array
 | 
						|
     *    @return Matrix Sum
 | 
						|
     */
 | 
						|
    public function concat()
 | 
						|
    {
 | 
						|
        if (func_num_args() > 0) {
 | 
						|
            $args = func_get_args();
 | 
						|
            $match = implode(",", array_map('gettype', $args));
 | 
						|
 | 
						|
            switch ($match) {
 | 
						|
                case 'object':
 | 
						|
                    if ($args[0] instanceof PHPExcel_Shared_JAMA_Matrix) {
 | 
						|
                        $M = $args[0];
 | 
						|
                    } else {
 | 
						|
                        throw new PHPExcel_Calculation_Exception(self::ARGUMENT_TYPE_EXCEPTION);
 | 
						|
                    }
 | 
						|
                case 'array':
 | 
						|
                    $M = new PHPExcel_Shared_JAMA_Matrix($args[0]);
 | 
						|
                    break;
 | 
						|
                default:
 | 
						|
                    throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
                    break;
 | 
						|
            }
 | 
						|
            $this->checkMatrixDimensions($M);
 | 
						|
            for ($i = 0; $i < $this->m; ++$i) {
 | 
						|
                for ($j = 0; $j < $this->n; ++$j) {
 | 
						|
                    $this->A[$i][$j] = trim($this->A[$i][$j], '"').trim($M->get($i, $j), '"');
 | 
						|
                }
 | 
						|
            }
 | 
						|
            return $this;
 | 
						|
        } else {
 | 
						|
            throw new PHPExcel_Calculation_Exception(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     *    Solve A*X = B.
 | 
						|
     *
 | 
						|
     *    @param Matrix $B Right hand side
 | 
						|
     *    @return Matrix ... Solution if A is square, least squares solution otherwise
 | 
						|
     */
 | 
						|
    public function solve($B)
 | 
						|
    {
 | 
						|
        if ($this->m == $this->n) {
 | 
						|
            $LU = new PHPExcel_Shared_JAMA_LUDecomposition($this);
 | 
						|
            return $LU->solve($B);
 | 
						|
        } else {
 | 
						|
            $QR = new PHPExcel_Shared_JAMA_QRDecomposition($this);
 | 
						|
            return $QR->solve($B);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     *    Matrix inverse or pseudoinverse.
 | 
						|
     *
 | 
						|
     *    @return Matrix ... Inverse(A) if A is square, pseudoinverse otherwise.
 | 
						|
     */
 | 
						|
    public function inverse()
 | 
						|
    {
 | 
						|
        return $this->solve($this->identity($this->m, $this->m));
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     *    det
 | 
						|
     *
 | 
						|
     *    Calculate determinant
 | 
						|
     *    @return float Determinant
 | 
						|
     */
 | 
						|
    public function det()
 | 
						|
    {
 | 
						|
        $L = new PHPExcel_Shared_JAMA_LUDecomposition($this);
 | 
						|
        return $L->det();
 | 
						|
    }
 | 
						|
}
 |