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Create a circular spline for a repeating function?

GROUPS:

I need to develop a spline for a repeating function. Here are the requirements:

  1. spline must is for a repeating function, repeating every 2 PI.
  2. The spline must be continuous for position and first derivative, including the repeating point 0, 2 PI.
  3. A segment of the spline must be perfectly linear. The segments before and after must begin/end with the same derivative.

Any help would be appreciated.

POSTED BY: Thomas Dobroth
Answer
3 months ago

I gave a method for the cubic periodic spline in this Mathematica Stack Exchange answer. If you can post the raw data you are looking at, I can write an example of how to use it.

POSTED BY: J. M.
Answer
3 months ago

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