Advanced Analysis Library Only
void JacobiEllipticI (double u, double k, double *cn, double *sn, double *dn, double *phi);
Determines the Jacobian elliptic functions cn, dn, and sn, which the following equations define:
and
| 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. |
None.