nag_zgeqlf (f08csc) Example Program Results Least-squares solution(s) 1 2 1 (-0.5044,-1.2179) ( 0.7629, 1.4529) 2 (-2.4281, 2.8574) ( 5.1570,-3.6089) 3 ( 1.4872,-2.1955) (-2.6518, 2.1203) 4 ( 0.4537, 2.6904) (-2.7606, 0.3318) Square root(s) of the residual sum(s) of squares 6.88e-02 1.87e-01