[SciPy-user] signal.bspline()

[Stefan van der Walt]

On Mon, Aug 06, 2007 at 10:02:05PM +0200, Matthieu Brucher wrote:
> I digged into some functions documentation, but I can't understand what the
> function bspline does.
> Someone has a clue ?

Looks like it generates points on B-spline basis functions.  For
example, try:

import pylab as P
import numpy as N
import scipy as S
import scipy.signal

points = N.linspace(-1,1,101)
for k in range(3):
    P.plot(points,S.signal.bspline(points,k))
    P.title('Order %s' % k)
    P.show()

Also see

http://mathworld.wolfram.com/B-Spline.html

and

http://www.cs.mtu.edu/~shene/COURSES/cs3621/NOTES/spline/B-spline/bspline-basis.html

Regards
Stéfan