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