bfieldtools.sphtools.derlpmn_em¶
-
bfieldtools.sphtools.derlpmn_em(l, m, x)¶ Computes derivative of associated Legendre function (Plm) of the first kind of order m and degree l with respect to the argument x.
- Parameters
- l: int
degree of Plm
- m: int
order of Plm
- x: Nx1 array
evaluation points
- Returns
- derlp: Nx1 array
dPlm/dx at x