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Group for window function routines

This group contains routines regarding window functions. More...

Functions

double sinc (double x)
 Sinus cardinalis.
double bspline_old (int k, double x, double *A)
 To test the new one.
double bspline (int k, double x, double *scratch)
 Computes $M_{k,0}\left(x\right)$ scratch is used for de Boor's scheme.
double i0 (double x)
 Modified Bessel function of order zero.

Detailed Description

This group contains routines regarding window functions.

Function Documentation

double bspline (  int  k,
double  x,
double *  scratch
) 
 

Computes $M_{k,0}\left(x\right)$ scratch is used for de Boor's scheme.

< M_{k,0}(x)

< $x \in {\rm supp}(M_{0,r}) $

< boundaries

< indices

< alpha of the de Boor scheme

double i0 (  double  x  ) 
 

Modified Bessel function of order zero.

Cephes Math Library Release 2.8: June, 2000 Copyright 1984, 1987, 2000 by Stephen L. Moshier

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