JacobiEllipticI

Advanced Analysis Library Only

void JacobiEllipticI (double u, double k, double *cn, double *sn, double *dn, double *phi);

Purpose

Determines the Jacobian elliptic functions cn, dn, and sn, which the following equations define:

and

Parameters

Input
Name Type Description
u double-precision The input parameter.
k double-precision The integrand parameter.
Output
Name Type Description
cn double-precision The value of the Jacobi elliptic function cn.
sn double-precision The value of the Jacobi elliptic function sn.
dn double-precision The value of the Jacobi elliptic function dn.
phi double-precision The upper limit of the integral that defines the function.

Return Value

None.