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/external/apache-commons-math/src/main/java/org/apache/commons/math/linear/
DQRDecompositionImpl.java63 private RealMatrix cachedR; field in QRDecompositionImpl
80 cachedR = null; in QRDecompositionImpl()
151 if (cachedR == null) { in getR()
156 cachedR = MatrixUtils.createRealMatrix(m, n); in getR()
160 cachedR.setEntry(row, row, rDiag[row]); in getR()
162 cachedR.setEntry(row, col, qrt[col][row]); in getR()
169 return cachedR; in getR()