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P5-math-derivative
Jul 20, 2023
Numeric 1st and 2nd order differentiation
This Perl package exports functions for performing numerical first Derivative1 and second Derivative2 order differentiation on vectors of data. They both take references to two arrays containing the x and y ordinates of the data and return an array of the 1st or 2nd derivative at the given x ordinates. Derivative2 may optionally be given values to use for the first dervivative at the start and end points of the data - otherwiswe ‘natural’ values are used.
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