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NIntegrate or For or Special Function?
I am constructing filling entries in a matrix using For loops. The individual entries come from integrating Bessel, Hankel and Kelvin functions numerically with NIntegrate. A 100x100 matrix takes a few hours to run? Is my procedural way of doing things to blame? Is it the specialty functions (Bessel etc)? Is it simply NIntegrate? Would anyone be willing to look at my awful code? Any help would be greatly appreciated. Matt Swingle mss4 at duke.edu