Interpolation in N dimension

[Damir]

Hello,
I'm trying to use "interpn function" and probing even a simple 2D example in
the att.  I cannot reproduce the interpolation value FUN(xi,yi)  compared to
the matrix grid value i.e. FUN(1,11) != 4. Would appreciate advice on this,
cheers, Damir 


Code

--------------------

A = [13,-1,12;5,4,3;1,6,2];

x = [0,1,2];
y = [10,11,12];

xi = linspace (min (x), max (x), 30);
yi = linspace (min (y), max (y), 60);
FUN = interpn (x, y, A, xi, yi, "spline");


disp("value(1,11) = "), FUN(1, 11)




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