nag_fit_dim1_cheb_deriv (e02ahc) Example Program Results i Argument 1st deriv 2nd deriv 1 -0.5000 0.2453 0.1637 2 0.5000 0.4777 0.3185 3 1.5000 0.9304 0.6203 4 2.5000 1.8119 1.2056