InverseJacobiDN

InverseJacobiDN[v, m] gives the inverse Jacobi elliptic function dn⁻¹(v|m).

This is the inverse of the Jacobi elliptic function JacobiDN[u, m].

Examples

InverseJacobiDN[0.9, 0.5]

N[InverseJacobiDN[0.8, 1/2]]

(* Verify inverse property *)
JacobiDN[InverseJacobiDN[v, m], m] // Simplify

*See the official Wolfram Language Reference for more details.