Dear fellow forum members,
Who can help me with the following problem?
I have a list that looks as follows: { {f1,x1,y1}, {f2,x2,y2}, ...}. I wish to express f as a function of x and y by use of Mathematica's ListInterpolation. The documentation for ListInterpolation tells me that I must use the following syntax: ListInterpolation[list,{{x1,x2,...},{y1,y2,....}}]. In other words: it looks as if my data points must be defined on all the intersection points of a grid of perpendicular lines in the (x,y)-plane. In the data set I am working with, this is not the case (i.e. the (x,y) in my data set don't form a rectangular grid.)
I cannot imagine that Mathematica is so restrictive. There must be a good workaround for this.
Does anybody have a good idea?
Thanks in advance,
René Samson