nag_correg_corrmat_nearest_rank (g02akc) Example Program Results Nearest correlation matrix with rank constraint 1 2 3 4 1 1.0000 -0.9021 0.2448 0.1975 2 -0.9021 1.0000 -0.6392 0.2448 3 0.2448 -0.6392 1.0000 -0.9021 4 0.1975 0.2448 -0.9021 1.0000 Number of subproblems solved: 4 Squared Frobenius norm of difference: 3.082e-01 Rank error: 0.000e+00