Background

"I need to fit a smooth curve and interpolate values through data points." This is a common scientific and engineering task. Personally, I frequently find that my data sets are ill behaved according to commonly available tools. For example

  1. I must fit to more than 2 dimensions.
  2. The data locally form a nearly vertical line.
  3. There is more than 1 y value for a given x (think of a circle).
  4. The data has significant noise.

I know I can make some of the major statistical packages do some or all of what is needed, but it is not a trivial task and most folks don't even have access to such software. ParamBSpline2 will do the job.


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