Real/Complex Spherical Harmonic Transform, Gaunt Coefficients and Rotations

A small collection of routines for the Spherical Harmonic Transform and Gaunt coefficients.

https://github.com/polarch/Spherical-Harmonic-Transform

Version 1.5.0 (1.23 MB)
4.1K Downloads
(13)
12 Nov 2016
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Cite As

Archontis Politis (2026). Real/Complex Spherical Harmonic Transform, Gaunt Coefficients and Rotations (https://github.com/polarch/Spherical-Harmonic-Transform), GitHub. Retrieved .

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General Information

MATLAB Release Compatibility

  • Compatible with any release

Platform Compatibility

  • Windows
  • macOS
  • Linux
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Version Published Release Notes
1.5.0

Updated description
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    Requires R2026b and later. Learn more
1.4.0

See description or the README.txt
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1.3.0

- changed getSH to use conjugate SH relation, no Legendre2
- added rotation flag to return real SH coeffs too
- added T-designs for integration by summation of the SHT
- added local wigner-3j functions
- added symbolic wigner-3j function (super slow)
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1.2.0

Added function for spherical convolution of a function with an axisymmetric kernel.
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1.1.0

Added routine to compute spherical harmonic coefficients of a conjugate function from the coefficient of the non-conjugate one.
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1.0.0

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To view or report issues in this GitHub add-on, visit the GitHub Repository.
To view or report issues in this GitHub add-on, visit the GitHub Repository.