php-ai /
php-ml
| @@ 135-137 (lines=3) @@ | ||
| 132 | $vectors = new Matrix($vectors); |
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| 133 | $vectors = array_map(function ($vect) { |
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| 134 | $sum = 0; |
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| 135 | for ($i = 0; $i < count($vect); ++$i) { |
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| 136 | $sum += $vect[$i] ** 2; |
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| 137 | } |
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| 138 | ||
| 139 | $sum = sqrt($sum); |
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| 140 | for ($i = 0; $i < count($vect); ++$i) { |
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| @@ 140-142 (lines=3) @@ | ||
| 137 | } |
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| 138 | ||
| 139 | $sum = sqrt($sum); |
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| 140 | for ($i = 0; $i < count($vect); ++$i) { |
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| 141 | $vect[$i] /= $sum; |
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| 142 | } |
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| 143 | ||
| 144 | return $vect; |
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| 145 | }, $vectors->transpose()->toArray()); |
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