nag_linsys_real_tridiag_solve (f04bcc) Example Program Results Solution 1 2 1 -4.0000 5.0000 2 7.0000 -4.0000 3 3.0000 -3.0000 4 -4.0000 -2.0000 5 -3.0000 1.0000 Estimate of condition number 9.3e+01 Estimate of error bound for computed solutions 1.0e-14