functionbessel0

Polynomial approximation of the zeroth order modified Bessel function

Information

Polynomial approximation of the zeroth order modified Bessel function. The algorithm is taken from

H. W. Press, S.A. Teukolsky, W. Vetterling:
Numerical Reciepes in C: The Art of Scientific Computing
Cambridge UP, 1988

The function is used to calculate the Kaiser-window via calcWindow.

Release Notes:

  • July 10, 2002 by Nico Walther
    Realized.

Inputs

TypeNameDefaultDescription
Realx

Outputs

TypeNameDefaultDescription
Realy