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34 lines
486 B
34 lines
486 B
2 months ago
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<?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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