SciPy

scipy.special.mathieu_modsem1

scipy.special.mathieu_modsem1(x1, x2, x3[, out1, out2]) = <ufunc 'mathieu_modsem1'>

(y,yp)=mathieu_modsem1(m,q,x) evaluates the odd modified Mathieu function of the first kind, Ms1m(x,q), and its derivative at x (given in degrees) for order m and parameter q.