nag_dgeqp3 (f08bfc) Example Program Results Tolerance used to estimate the rank of A 1.00e-02 Estimated rank of A 4 Least squares solution(s) 1 2 1 0.9767 4.0159 2 1.9861 2.9867 3 0.0000 0.0000 4 2.9927 2.0032 5 4.0272 0.9976 Square root(s) of the residual sum(s) of squares 2.54e-02 3.65e-02