> Do you understand the latest version fully, Bruno? I can't test what it > really does...and so far I don't follow what the doc is trying to say. > > Is it indeed just terribly poorly written documentation or is there some > other functionality actually included now beyond that of simply > interpolation on the columns of the array Y?
I haven't actually tried more than 2 dimensions in Y, but I believe it will interpolate datasets in every dimension of Y provided the first dimension is the same length as x,
x = linspace(0,2*pi,10)'; xi = [0,pi/4,pi]'; Y = sin(x); interp1(x, Y, xi)