php-ai /
php-ml
| @@ 328-337 (lines=10) @@ | ||
| 325 | $this->ort[$m] -= $g; |
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| 326 | // Apply Householder similarity transformation |
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| 327 | // H = (I -u * u' / h) * H * (I -u * u') / h) |
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| 328 | for ($j = $m; $j < $this->n; ++$j) { |
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| 329 | $f = 0.0; |
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| 330 | for ($i = $high; $i >= $m; --$i) { |
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| 331 | $f += $this->ort[$i] * $this->H[$i][$j]; |
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| 332 | } |
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| 333 | $f /= $h; |
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| 334 | for ($i = $m; $i <= $high; ++$i) { |
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| 335 | $this->H[$i][$j] -= $f * $this->ort[$i]; |
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| 336 | } |
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| 337 | } |
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| 338 | for ($i = 0; $i <= $high; ++$i) { |
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| 339 | $f = 0.0; |
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| 340 | for ($j = $high; $j >= $m; --$j) { |
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| @@ 338-347 (lines=10) @@ | ||
| 335 | $this->H[$i][$j] -= $f * $this->ort[$i]; |
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| 336 | } |
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| 337 | } |
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| 338 | for ($i = 0; $i <= $high; ++$i) { |
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| 339 | $f = 0.0; |
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| 340 | for ($j = $high; $j >= $m; --$j) { |
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| 341 | $f += $this->ort[$j] * $this->H[$i][$j]; |
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| 342 | } |
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| 343 | $f = $f / $h; |
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| 344 | for ($j = $m; $j <= $high; ++$j) { |
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| 345 | $this->H[$i][$j] -= $f * $this->ort[$j]; |
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| 346 | } |
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| 347 | } |
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| 348 | $this->ort[$m] = $scale * $this->ort[$m]; |
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| 349 | $this->H[$m][$m-1] = $scale * $g; |
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| 350 | } |
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