xnn.cnn.models.spherical.wigner_D#

xnn.cnn.models.spherical.wigner_D(l, alpha, beta, gamma)[source]#

D^l_{mn}(alpha, beta, gamma) = e^{i m alpha} d^l_{mn}(beta) e^{i n gamma} (complex128, (..., 2l + 1, 2l + 1)), the basis functions of the SO(3) Fourier transform in the convention of the reference code.

Parameters:
Return type:

Tensor