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47 lines
1.1 KiB
PHP
47 lines
1.1 KiB
PHP
<?php
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/**
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* Orange Management
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*
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* PHP Version 7.1
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*
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* @package TBD
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* @author OMS Development Team <dev@oms.com>
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* @copyright Dennis Eichhorn
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* @license OMS License 1.0
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* @version 1.0.0
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* @link http://website.orange-management.de
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*/
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namespace Tests\PHPUnit\phpOMS\Math\Matrix;
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require_once __DIR__ . '/../../Autoloader.php';
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use phpOMS\Math\Matrix\Matrix;
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use phpOMS\Math\Matrix\Vector;
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use phpOMS\Math\Matrix\CholeskyDecomposition;
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class CholeskyDecompositionTest extends \PHPUnit\Framework\TestCase
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{
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public function testDecomposition()
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{
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$A = new Matrix();
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$A->setMatrix([
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[25, 15, -5],
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[15, 17, 0],
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[-5, 0, 11],
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]);
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$cholesky = new CholeskyDecomposition($A);
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self::assertEquals([
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[5, 0, 0],
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[3, 3, 0],
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[-1, 1, 3],
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], $cholesky->getL()->toArray(), '', 0.2);
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$vec = new Vector();
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$vec->setMatrix([[40], [49], [28]]);
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self::assertEquals([[1], [2], [3]], $cholesky->solve($vec)->toArray(), '', 0.2);
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}
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}
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