DOC: fix typo in sph_harm

:math:\theta` -> :math:`\theta`
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Øyvind Sigmundson Schøyen 2023-02-16 15:34:18 +01:00 committed by GitHub
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@ -1115,7 +1115,7 @@ def sph_harm(m: Array,
:math:`Y_n^m(\theta, \phi) = N_n^m * P_n^m(\cos \phi) * \exp(i m \theta)`,
where :math:`N_n^m = \sqrt{\frac{\left(2n+1\right) \left(n-m\right)!}
{4 \pi \left(n+m\right)!}}` is the normalization factor and :math:`\phi` and
:math:\theta` are the colatitude and longitude, repectively. :math:`N_n^m` is
:math:`\theta` are the colatitude and longitude, repectively. :math:`N_n^m` is
chosen in the way that the spherical harmonics form a set of orthonormal basis
functions of :math:`L^2(S^2)`.