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Topic: Differentiating Interpolation Functions -- "Delaunay" Interpolation
Replies: 1   Last Post: Jan 26, 2013 4:58 PM

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Posts: 9
Registered: 3/20/11
Differentiating Interpolation Functions -- "Delaunay" Interpolation
Posted: Jan 26, 2013 1:37 AM
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Although I can form a partial-derivative function from an ordinary interpolation function with dD[x_,y_]=N@D[f[x,y],x], I cannot figure out how to to anything similar with Interpolation[...,Method->"Delaunay"] from the Obtuse package. Part of the problem **might** be that the Delaunay interpolation function requires it's arguments to be in curly brackets, but I tried to get around that by defining a "helper" function that has ordinary arguments and feeds them to Delaunay in brackets -- no joy. (I'm running Mathematica 7, so I had to download and install the free package from Ingolf Dahl's site.) Any suggestions? -- JCW

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