bfieldtools.sphtools.dthylm¶
-
bfieldtools.sphtools.dthylm(l, m, theta, phi)¶ Derivative of Ylm with respect to theta dYlm/dtheta.
- Parameters
- l: int
degree of Ylm
- m: int
order of Ylm
- theta: Nx1 array
evaluation points, theta at spherical coordinates
- phi: Nx1 array
evaluation points, phi at spherical coordinates
- Returns
- dthylm: Nx1 array
dYlm/dtheta at (theta, phi).