phpOMS/tests/Math/Matrix/LUDecompositionTest.php
2018-01-15 17:20:46 +01:00

53 lines
1.2 KiB
PHP

<?php
/**
* Orange Management
*
* PHP Version 7.1
*
* @package TBD
* @author OMS Development Team <dev@oms.com>
* @copyright Dennis Eichhorn
* @license OMS License 1.0
* @version 1.0.0
* @link http://website.orange-management.de
*/
namespace Tests\PHPUnit\phpOMS\Math\Matrix;
require_once __DIR__ . '/../../Autoloader.php';
use phpOMS\Math\Matrix\Matrix;
use phpOMS\Math\Matrix\Vector;
use phpOMS\Math\Matrix\LUDecomposition;
class LUDecompositionTest extends \PHPUnit\Framework\TestCase
{
public function testDecomposition()
{
$B = new Matrix();
$B->setMatrix([
[25, 15, -5],
[15, 17, 0],
[-5, 0, 11],
]);
$lu = new LUDecomposition($B);
self::assertEquals([
[1, 0, 0],
[0.6, 1, 0],
[-0.2, 0.375, 1],
], $lu->getL()->toArray(), '', 0.2);
self::assertEquals([
[25, 15, -5],
[0, 8, 3],
[0, 0, 8.875],
], $lu->getU()->toArray(), '', 0.2);
$vec = new Vector();
$vec->setMatrix([[40], [49], [28]]);
self::assertEquals([[1], [2], [3]], $lu->solve($vec)->toArray(), '', 0.2);
}
}