nag_matop_real_symm_matrix_fun (f01efc) Example Program Results Symmetric f(A)=cos(kA) 1 2 3 4 1 -0.5420 -0.6612 -0.0261 0.1580 2 0.2306 -0.3396 -0.0261 3 0.2306 -0.6612 4 -0.5420