Interpolation over an array (or two)

Question

I\'m looking for a java library or some help to write my own interpolation function. That is I have two arrays of doubles which are potentially different sizes, but are ord

Answer 1

Simple linear interpolation can be calculated using something like:

Point2D interp1_lin(Point2D p1, Point2D p2, double x) {
 //Pre conditions
assert p1.x

Does this help?