# derivatives

 C05PBF Solution of system of nonlinear equations using first derivatives (easy-to-use) C05PCF Solution of system of nonlinear equations using first derivatives (comprehensive) C05PDF Solution of system of nonlinear equations using first derivatives (reverse communication) C05ZAF Check user's routine for calculating first derivatives D04AAF Numerical differentiation, derivatives up to order 14, function of one real variable E02AGF Least-squares polynomial fit, values and derivatives may be constrained, arbitrary data points E02BCF Evaluation of fitted cubic spline, function and derivatives E04DGF Unconstrained minimum, preconditioned conjugate gradient algorithm, function of several variables using first derivatives (comprehensive) E04GBF Unconstrained minimum of a sum of squares, combined Gauss–Newton and quasi-Newton algorithm using first derivatives (comprehensive) E04GDF Unconstrained minimum of a sum of squares, combined Gauss–Newton and modified Newton algorithm using first derivatives (comprehensive) E04GYF Unconstrained minimum of a sum of squares, combined Gauss–Newton and quasi-Newton algorithm, using first derivatives (easy-to-use) E04GZF Unconstrained minimum of a sum of squares, combined Gauss–Newton and modified Newton algorithm using first derivatives (easy-to-use) E04HCF Check user's routine for calculating first derivatives of function E04HDF Check user's routine for calculating second derivatives of function E04HEF Unconstrained minimum of a sum of squares, combined Gauss–Newton and modified Newton algorithm, using second derivatives (comprehensive) E04HYF Unconstrained minimum of a sum of squares, combined Gauss–Newton and modified Newton algorithm, using second derivatives (easy-to-use) E04KDF Minimum, function of several variables, modified Newton algorithm, simple bounds, using first derivatives (comprehensive) E04KYF Minimum, function of several variables, quasi-Newton algorithm, simple bounds, using first derivatives (easy-to-use) E04KZF Minimum, function of several variables, modified Newton algorithm, simple bounds, using first derivatives (easy-to-use) E04LBF Minimum, function of several variables, modified Newton algorithm, simple bounds, using first and second derivatives (comprehensive) E04LYF Minimum, function of several variables, modified Newton algorithm, simple bounds, using first and second derivatives (easy-to-use) E04UCF Minimum, function of several variables, sequential QP method, nonlinear constraints, using function values and optionally first derivatives (forward communication, comprehensive) E04UFF Minimum, function of several variables, sequential QP method, nonlinear constraints, using function values and optionally first derivatives (reverse communication, comprehensive) E04USF Minimum of a sum of squares, nonlinear constraints, sequential QP method, using function values and optionally first derivatives (comprehensive) E04YAF Check user's routine for calculating Jacobian of first derivatives E04ZCF Check user's routines for calculating first derivatives of function and constraints G02HLF Calculates a robust estimation of a correlation matrix, user-supplied weight function plus derivatives S14ADF Scaled derivatives of ψ (x)

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