JacobiZN
JacobiZN[u, m] gives the Jacobi zeta function zn(u|m).
The Jacobi zeta function is related to incomplete elliptic integrals and is useful in the theory of elliptic functions.
Examples
JacobiZN[0.5, 0.3]N[JacobiZN[1, 1/2]]Plot[JacobiZN[u, 0.5], {u, 0, 4}]*See the official Wolfram Language Reference for more details.