Method qrUpdateRInitalLoop

JSAT/src/jsat/linear/GenericMatrix.java:768–779

(int k, Matrix A, double[] vk, double TwoOverBeta, int M)

    }

    private void qrUpdateRInitalLoop(int k, Matrix A, double[] vk, double TwoOverBeta, int M)
    {
        double y = 0;//y = vk dot A_j
        for(int i = k; i < A.cols(); i++)
            y += vk[i]*A.get(k, i);

        y *= TwoOverBeta;
        A.increment(k, k, -y*vk[k]);
        
        for(int i = k+1; i < M; i++)
            A.set(k, i, 0.0);
    }

    private void qrUpdateQ(Matrix Q, int k, double[] vk, double TwoOverBeta)
    {