nag_matop_real_gen_matrix_fun_usd (f01emc) Example Program Results (User-supplied callback f, first invocation.) f(A) 1 2 3 4 1 -12.1880 0.0000 -3.4747 8.3697 2 -13.7274 54.5982 -23.9801 82.8593 3 -9.7900 0.0000 -25.4527 26.5294 4 -18.1597 0.0000 -34.8991 49.2404