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Implementation of Discrete Spherical Harmonic Transforms with Mathematica?
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W Craig Carter
Nov 15, 2013, 6:32:58 PM11/15/13
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Hello,
I am wondering if anyone has implemented a fast spherical harmonic transform and its inverse in Mathematica? In particular for the two-dimensional sphere.
The spherical harmonic transform appears to combine an FFT and a discrete Legendre transform. So, if there is a discrete Legendre transform implementation in Mathematica, that would be useful.
As a last resort, there are implementations in C that I could probably port with MathLink.
I am posting this question on the wolfram community site as well.
W Craig Carter
I am wondering if anyone has implemented a fast spherical harmonic transform and its inverse in Mathematica? In particular for the two-dimensional sphere.
The spherical harmonic transform appears to combine an FFT and a discrete Legendre transform. So, if there is a discrete Legendre transform implementation in Mathematica, that would be useful.
As a last resort, there are implementations in C that I could probably port with MathLink.
I am posting this question on the wolfram community site as well.
W Craig Carter
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