nag_matop_real_tri_matrix_sqrt (f01epc) Example Program Results sqrt(A) 1 2 3 4 1 2.0000e+00 1.0000e+00 -2.0000e+00 3.0000e+00 2 2.0000e+00 2.0000e+00 3.1721e-16 1.0000e+00 3 0.0000e+00 0.0000e+00 2.0000e+00 -1.0000e+00 4 0.0000e+00 0.0000e+00 1.0000e+00 2.0000e+00