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  • $\begingroup$ I just want to add a link to an excellent package that provides a lot of $n$-space support Obtuse Package (I just need some more speed!) $\endgroup$ Commented Aug 29, 2013 at 22:45
  • $\begingroup$ Compile has been improved since version 7, which I use, but when I run the line Timing[funFunc[#] & /@ xpts;] I get CompiledFunction::cfte: Compiled expression 0.` should be a rank 1 tensor of machine-size real numbers. >> CompiledFunction::cfex: Could not complete external evaluation at instruction 20; proceeding with uncompiled evaluation. >> Do you see similar errors? $\endgroup$ Commented Aug 30, 2013 at 0:59
  • $\begingroup$ In the code as shown in the post I do not get any errors. Early on I was playing with the rank which gave me similar errors. I then found that 1 worked which makes since because xi is a vector. I get no indication that what is returned is not compiled, like the error text proceeding with uncompiled evaluation. implies. If I just evaluate funFunc I get CompiledFunction[...stuff..] as expected. Everything works it is just no faster. $\endgroup$ Commented Aug 30, 2013 at 1:13
  • $\begingroup$ I added an answer. If I am correct using CompilationOptions -> {"InlineExternalDefinitions" -> True} will fix your problem. $\endgroup$ Commented Aug 30, 2013 at 1:18
  • $\begingroup$ The routine given here for thin plate splines might be useful to you; you will only need to change the underlying RBF. $\endgroup$ Commented Jul 25, 2015 at 14:36