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Calculated the singular values of a matrix


Lapack::singularValues

(PECL lapack >= 0.1.0)

Lapack::singularValuesCalculated the singular values of a matrix

Description

public static array Lapack::singularValues ( array $a )

Calculate the singular values of the matrix A.

Parameters

a

The matrix to calculate the singular values for

Return Values

The singular values

Examples

Example #1 Using Lapack::singularValues():

<?php

    $a 
= array(
        array( 
7.52,  -1.10,  -7.95,  1.08  ),
        array(-
0.76,   0.62,   9.34, -7.10  ),
        array( 
5.13,   6.62,  -5.66,  0.87  ),
        array(-
4.75,   8.52,   5.75,  5.30  ),
        array( 
1.33,   4.91,  -5.49, -3.52  ),
        array(-
2.40,  -6.77,   2.34,  3.95  ),
    );


    
$result Lapack::singularValues($a);

    
?>



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