F2. Solution of a system of nonlinear equations

Functions
void	chkder (int m, int n, double x[], double fvec[], int ldfjac, double fjac[], double xp[], double fvecp[], int mode, double err[], int *info)
	Checks the computed gradients
void	hybrd (void(*fcn)(int, double *, double *, int *), int n, double x[], double fvec[], double xtol, int maxfev, int ml, int mu, double epsfcn, double diag[], int mode, double factor, int nprint, int *nfev, double work[], int lwork, int *info)
	Solution of a system of nonlinear equations by Powell hybrid method (Jacobian not required)
void	hybrd1 (void(*fcn)(int, double *, double *, int *), int n, double x[], double fvec[], double xtol, double work[], int lwork, int *info)
	Solution of a system of nonlinear equations by Powell hybrid method (Jacobian not required) (simple driver)
void	hybrd1_r (int n, double x[], double fvec[], double xtol, double work[], int lwork, int *info, double xx[], double yy[], int *irev)
	Solution of a system of nonlinear equations by Powell hybrid method (Jacobian not required) (simple driver) (reverse communication version)
void	hybrd_r (int n, double x[], double fvec[], double xtol, int maxfev, int ml, int mu, double epsfcn, double diag[], int mode, double factor, int nprint, int *nfev, double work[], int lwork, int *info, double xx[], double yy[], int *irev)
	Solution of a system of nonlinear equations by Powell hybrid method (Jacobian not required) (reverse communication version)
void	hybrj (void(*fcn)(int, double *, double *, int, double *, int *), int n, double x[], double fvec[], double xtol, int maxfev, double diag[], int mode, double factor, int nprint, int *nfev, int *njev, double work[], int lwork, int *info)
	Solution of a system of nonlinear equations by Powell hybrid method
void	hybrj1 (void(*fcn)(int, double *, double *, int, double *, int *), int n, double x[], double fvec[], double xtol, double work[], int lwork, int *info)
	Solution of a system of nonlinear equations by Powell hybrid method (simple driver)
void	hybrj1_r (int n, double x[], double fvec[], double xtol, double work[], int lwork, int *info, double xx[], double yy[], int ldyypd, double yypd[], int *irev)
	Solution of a system of nonlinear equations by Powell hybrid method (simple driver) (reverse communication version)
void	hybrj_r (int n, double x[], double fvec[], double xtol, int maxfev, double diag[], int mode, double factor, int nprint, int *nfev, int *njev, double work[], int lwork, int *info, double xx[], double yy[], int ldyypd, double yypd[], int *irev)
	Solution of a system of nonlinear equations by Powell hybrid method (reverse communication version)
void	sos (void(*fnc)(int, double *, int, double *), int n, double x[], double rtolx, double atolx, double tolf, int nprint, int maxiter, int *iter, double work[], int lwork, int iwork[], int liwork, int *info)
	Solution of a system of nonlinear equations by Brown's method
void	sos_r (int n, double x[], double rtolx, double atolx, double tolf, int nprint, int maxiter, int *iter, double work[], int lwork, int iwork[], int liwork, int *info, int *k, double xx[], double *yy, int *irev)
	Solution of a system of nonlinear equations by Brown's method (reverse communication version)

Detailed Description

This is the group of F2. Solution of a system of nonlinear equations.