Functions
void	_rpzero2 (int n, double a[], double rr[], double ri[], int iflag, int maxiter, int iter, double s[], double work[], int info)
	Roots of a polynomial (real coefficients) (Netwon method) (complex type is not used)

void	_dfzero (double(f)(double), double b, double c, double r, double re, double ae, int info)
	Solution of a single general nonlinear equation

void	_dfzero_r (double b, double c, double r, double re, double ae, int info, double xx, double yy, int *irev)
	Solution of a single general nonlinear equation (reverse communication version)

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)

Detailed Description

This is the group of F. Solution of nonlinear equations.

Functions