SciPy

scipy.special.mathieu_sem

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

(y,yp)=mathieu_sem(m,q,x) returns the odd Mathieu function, se_m(x,q), of order m and parameter q evaluated at x (given in degrees). Also returns the derivative with respect to x of se_m(x,q).