27 lines
783 B
PHP
27 lines
783 B
PHP
<?php
|
|
|
|
declare(strict_types=1);
|
|
|
|
namespace Phpml\Tests\Math\Kernel;
|
|
|
|
use Phpml\Math\Kernel\RBF;
|
|
use PHPUnit\Framework\TestCase;
|
|
|
|
class RBFTest extends TestCase
|
|
{
|
|
public function testComputeRBFKernelFunction(): void
|
|
{
|
|
$rbf = new RBF($gamma = 0.001);
|
|
|
|
self::assertEquals(1, $rbf->compute([1, 2], [1, 2]));
|
|
self::assertEquals(0.97336, $rbf->compute([1, 2, 3], [4, 5, 6]), '', $delta = 0.0001);
|
|
self::assertEquals(0.00011, $rbf->compute([4, 5], [1, 100]), '', $delta = 0.0001);
|
|
|
|
$rbf = new RBF($gamma = 0.2);
|
|
|
|
self::assertEquals(1, $rbf->compute([1, 2], [1, 2]));
|
|
self::assertEquals(0.00451, $rbf->compute([1, 2, 3], [4, 5, 6]), '', $delta = 0.0001);
|
|
self::assertEquals(0, $rbf->compute([4, 5], [1, 100]));
|
|
}
|
|
}
|