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DEMO_PBSPLINE - How to use PBSPLINE

Description

This script illustrates various properties of the pbspline function.

demo_pbspline_1.png

Three first splines

This figure shows the three first splines (order 0,1 and 2) and their dual windows.

Note that they are calculated for an even number of the parameter a, meaning that they are not exactly splines, but a slightly smoother construction, that still form a partition of unity.