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33 lines
486 B
33 lines
486 B
<?php |
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use Matrix\Matrix; |
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use Matrix\Decomposition\QR; |
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include __DIR__ . '/../vendor/autoload.php'; |
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$grid = [ |
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[0, 1], |
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[-1, 0], |
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]; |
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$targetGrid = [ |
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[-1], |
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[2], |
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]; |
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$matrix = new Matrix($grid); |
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$target = new Matrix($targetGrid); |
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$decomposition = new QR($matrix); |
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$X = $decomposition->solve($target); |
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echo 'X', PHP_EOL; |
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var_export($X->toArray()); |
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echo PHP_EOL; |
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$resolve = $matrix->multiply($X); |
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echo 'Resolve', PHP_EOL; |
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var_export($resolve->toArray()); |
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echo PHP_EOL;
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