SciPy

scipy.special.mathieu_modcem2

scipy.special.mathieu_modcem2(x1, x2, x3[, out1, out2]) = <ufunc 'mathieu_modcem2'>

(y,yp)=mathieu_modcem2(m,q,x) evaluates the even modified Mathieu function of the second kind, Mc2m(x,q), and its derivative at x (given in degrees) for order m and parameter q.