MathieuCPrime
MathieuCPrime[a, q, z] gives the derivative with respect to z of the even Mathieu function with characteristic value a and parameter q.
Mathematical function (see Section A.3.10). See The Mathematica Book: Section 3.2.12.
Further Examples
MathieuCPrime[a, q, z] gives the derivative with respect to z of the even Mathieu function with characteristic value a and parameter q. 
