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  /external/apache-commons-math/src/main/java/org/apache/commons/math/linear/
TriDiagonalTransformer.java 112 final double[] hK = householderVectors[k - 1];
113 final double inv = 1.0 / (secondary[k - 1] * hK[k]);
115 if (hK[k] != 0.0) {
117 cachedQt.setEntry(k, k, 1 + beta * hK[k]);
119 cachedQt.setEntry(k, i, beta * hK[i]);
124 beta += cachedQt.getEntry(j, i) * hK[i];
127 cachedQt.setEntry(j, k, beta * hK[k]);
129 cachedQt.addToEntry(j, i, beta * hK[i]);
211 final double[] hK = householderVectors[k];
212 main[k] = hK[k]
    [all...]
BiDiagonalTransformer.java 106 final double[] hK = householderVectors[k];
108 if (hK[k - diagOffset] != 0.0) {
114 alpha /= diagonal[k - diagOffset] * hK[k - diagOffset];
187 final double[] hK = householderVectors[k - diagOffset];
189 if (hK[k] != 0.0) {
193 beta -= cachedV.getEntry(i, j) * hK[i];
195 beta /= diagonal[k - diagOffset] * hK[k];
198 cachedV.addToEntry(i, j, -beta * hK[i]);
269 final double[] hK = householderVectors[k];
270 final double a = (hK[k] > 0) ? -FastMath.sqrt(xNormSqr) : FastMath.sqrt(xNormSqr)
    [all...]

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