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This commit is contained in:
Alex Wulf
2022-07-05 15:55:47 +02:00
parent bfc558d1f2
commit 7d4547df6a
68 changed files with 670 additions and 402 deletions
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20
tests/Numerics/MatrixTest.php
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@ -1,4 +1,6 @@
<?php namespace DNW\Skills\Tests\Numerics;
<?php
namespace DNW\Skills\Tests\Numerics;
use DNW\Skills\Numerics\IdentityMatrix;
use DNW\Skills\Numerics\Matrix;
@ -48,7 +50,7 @@ class MatrixTest extends TestCase
public function testFourByFourDeterminant()
{
$a = new SquareMatrix( 1, 2, 3, 4,
$a = new SquareMatrix(1, 2, 3, 4,
5, 6, 7, 8,
9, 10, 11, 12,
13, 14, 15, 16);
@ -66,7 +68,7 @@ class MatrixTest extends TestCase
public function testEightByEightDeterminant()
{
$a = new SquareMatrix( 1, 2, 3, 4, 5, 6, 7, 8,
$a = new SquareMatrix(1, 2, 3, 4, 5, 6, 7, 8,
9, 10, 11, 12, 13, 14, 15, 16,
17, 18, 19, 20, 21, 22, 23, 24,
25, 26, 27, 28, 29, 30, 31, 32,
@ -134,19 +136,18 @@ class MatrixTest extends TestCase
$a = new SquareMatrix(1, 2,
3, 4);
$b = new SquareMatrix( 4, -2,
-3, 1);
$b = new SquareMatrix(4, -2,
-3, 1);
$this->assertTrue($b->equals($a->getAdjugate()));
$c = new SquareMatrix(-3, 2, -5,
-1, 0, -2,
3, -4, 1);
$d = new SquareMatrix(-8, 18, -4,
-5, 12, -1,
4, -6, 2);
4, -6, 2);
$this->assertTrue($d->equals($c->getAdjugate()));
}
@ -175,8 +176,7 @@ class MatrixTest extends TestCase
$cInverse = $c->getInverse();
$d = Matrix::scalarMultiply((1.0 / 22), new SquareMatrix(24, -12, -2,
5, 3, -5,
-4, 2, 4));
-4, 2, 4));
$this->assertTrue($d->equals($cInverse));
$identity3x3 = new IdentityMatrix(3);
@ -184,4 +184,4 @@ class MatrixTest extends TestCase
$ccInverse = Matrix::multiply($c, $cInverse);
$this->assertTrue($identity3x3->equals($ccInverse));
}
}
}