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    Searched refs:cachedU (Results 1 - 4 of 4) sorted by null

  /external/apache-commons-math/src/main/java/org/apache/commons/math/linear/
BiDiagonalTransformer.java 50 private RealMatrix cachedU;
70 cachedU = null;
90 if (cachedU == null) {
97 cachedU = MatrixUtils.createRealMatrix(m, m);
101 cachedU.setEntry(k, k, 1);
107 cachedU.setEntry(k, k, 1);
112 alpha -= cachedU.getEntry(i, j) * householderVectors[i][k - diagOffset];
117 cachedU.addToEntry(i, j, -alpha * householderVectors[i][k - diagOffset]);
123 cachedU.setEntry(0, 0, 1);
129 return cachedU;
    [all...]
SingularValueDecompositionImpl.java 53 private RealMatrix cachedU;
82 cachedU = null;
126 cachedU = eigenDecomposition.getV().getSubMatrix(0, m - 1, 0, p - 1);
133 cachedU = eigenDecomposition.getV();
148 RealVector tmp = cachedU.getColumnVector(i);
151 cachedU.setColumnVector(i, tmp.mapMultiply(-1.0));
159 return cachedU;
LUDecompositionImpl.java 57 private RealMatrix cachedU;
90 cachedU = null;
182 if ((cachedU == null) && !singular) {
184 cachedU = MatrixUtils.createRealMatrix(m, m);
188 cachedU.setEntry(i, j, luI[j]);
192 return cachedU;
FieldLUDecompositionImpl.java 62 private FieldMatrix<T> cachedU;
84 cachedU = null;
173 if ((cachedU == null) && !singular) {
175 cachedU = new Array2DRowFieldMatrix<T>(field, m, m);
179 cachedU.setEntry(i, j, luI[j]);
183 return cachedU;

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