quad.c File Reference

Composite quadrature rules for numerical integration. More...

#include "mesh1D.h"

Go to the source code of this file.

Functions
double	quadPM (double(*f)(double), double *X, int N, double h)
	Numerical integration using composite midpoints rules.
double	quadPMAlloc (double(*f)(double), double a, double b, int N, double *ph)
	Numerical integration using composite midpoints rules.

Detailed Description

Composite quadrature rules for numerical integration.

Author

F. Cuvelier

Version

0.1

Date

18th November 2013

Definition in file quad.c.

Function Documentation

double quadPM	(	double(*)(double)	f,
		double *	X,
		int	N,
		double	h
	)

Numerical integration using composite midpoints rules.

Parameters

[in]	f	function to integrate
[in]	N	number of points of the regular dicretization
[in]	X	pointer to the regular discretization
[in]	h	step value of the discretization.

Returns

the approximation of the integrale over discretization using composite midpoints rules

See Also

DisReg DisRegAlloc

Definition at line 11 of file quad.c.

quadPMAlloc	(	double(*)(double)	f,
		double	a,
		double	b,
		int	N,
		double *	ph
	)

Numerical integration using composite midpoints rules.

Parameters

[in]	f	function to integrate
[in]	a	lower bound of the interval [a,b]
[in]	b	upper bound of the interval [a,b]
[in]	N	number of points of the regular dicretization
[out]	*ph	step value of the discretization.

Returns

the approximation of the integrale over [a,b] using composite midpoints rules

Definition at line 21 of file quad.c.