Inverse Distance Weighted (IDW) or Simple Moving Average (SMA) INTERPOLATION by Giuliano Langella

This function computes at (Xi,Yi) unknown locations the IDW (w<0) or the SMA (w=0) predictions. (earth science, interpolation, inverse distance weig...)

gIDW(Xc,Yc,Vc,Xi,Yi,w,r1,r2)