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scipy.special.lqmn

scipy.special.lqmn(m, n, z)

Associated Legendre functions of the second kind, Qmn(z) and its derivative, Qmn’(z) of order m and degree n. Returns two arrays of size (m+1,n+1) containing Qmn(z) and Qmn’(z) for all orders from 0..m and degrees from 0..n.

z can be complex.