F04YCF Example Program Data Example 1 5 : n 1.5 2.0 3.0 -2.1 0.3 2.5 3.0 -4.0 2.3 -1.1 3.5 4.0 0.5 -3.1 -1.4 -0.4 -3.2 -2.1 3.1 2.1 1.7 3.7 1.9 -2.2 -3.3 : matrix A Example 2 6 15 : n, nz 5.0 1 1 2.0 2 2 -1.0 2 3 2.0 2 4 3.0 3 3 -2.0 4 1 1.0 4 4 1.0 4 5 -1.0 5 1 -1.0 5 4 2.0 5 5 -3.0 5 6 -1.0 6 1 -1.0 6 2 6.0 6 6 : matrix A