d02udc | nag_ode_bvp_ps_lin_cgl_deriv Differentiate a function by the FFT using function values on Chebyshev grid |

d04aac | nag_numdiff_1d_real Numerical differentiation, derivatives up to order 14, function of one real variable |

d04bac | nag_numdiff_1d_real_eval Numerical differentiation, user-supplied function values, derivatives up to order 14, derivatives with respect to one real variable |

d04bbc | nag_numdiff_1d_real_absci Generates sample points for function evaluations by d04bac |

e04xac | nag_opt_estimate_deriv Computes an approximation to the gradient vector and/or the Hessian matrix |

© The Numerical Algorithms Group Ltd, Oxford UK. 2012