nag_ztzrzf (f08bvc) Example Program Results Tolerance used to estimate the rank of A 1.00e-02 Estimated rank of A 3 Least-squares solution(s) 1 2 1 ( 1.1669,-3.3224) (-0.5023, 1.8323) 2 ( 1.3486, 5.5027) (-1.4418,-1.6465) 3 ( 4.1764, 2.3435) ( 0.2908, 1.4900) 4 ( 0.6467, 0.0107) (-0.2453, 0.3951) Square root(s) of the residual sum(s) of squares 2.51e-01 8.10e-02