Package org.apache.mahout.math.hadoop.stochasticsvd.qr

Examples of org.apache.mahout.math.hadoop.stochasticsvd.qr.GivensThinSolver.solve()

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    m.setQuick(2, 0, 7);
    m.setQuick(2, 1, 8);
    m.setQuick(2, 2, 9);

    GivensThinSolver qrSolver = new GivensThinSolver(m.rowSize(), m.columnSize());
    qrSolver.solve(m);

    Matrix qtm = new DenseMatrix(qrSolver.getThinQtTilde());

    assertOrthonormality(qtm.transpose(), false, SVD_EPSILON);
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    m.setQuick(2, 1, 8);
    m.setQuick(2, 2, 9);

    GivensThinSolver qrSolver =
      new GivensThinSolver(m.rowSize(), m.columnSize());
    qrSolver.solve(m);

    Matrix qtm = new DenseMatrix(qrSolver.getThinQtTilde());

    assertOrthonormality(qtm.transpose(), false, SVD_EPSILON);
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