# NAG FL InterfaceD04 (Numdiff)Numerical Differentiation

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D04 (Numdiff) Chapter Introduction – A description of the Chapter and an overview of the algorithms available.

Routine
Mark of
Introduction

Purpose
d04aaf 5 nagf_numdiff_fwd
Numerical differentiation, derivatives up to order $14$, function of one real variable
d04baf 23 nagf_numdiff_rcomm
Numerical differentiation, user-supplied function values, derivatives up to order $14$, derivatives with respect to one real variable
d04bbf 23 nagf_numdiff_sample
Generates sample points for function evaluations by d04baf