Functions
double	_fitlag (double x, int n, double a[], double f[], int m, double eps, int *info)
	Iterated Lagrange interpolation

void	_polcof (double xx, int n, double x[], double c[], double d[], double work[])
	Coefficients of polynomial interpolation

void	_polint (int n, double x[], double y[], double c[], int *info)
	Produces a polynomial interpolation

void	_polyvl (int nder, double xx, double yfit, double yp[], int n, double x[], double c[], double work[], int info)
	Produces a polynomial interpolation

Detailed Description

This is the group of E. Interpolation (Polynomial interpolation).

Functions