inverse_jacobi_cs( z , m )

The inverse Jacobi cs function of z and parameter m in SageMath.

Note that all Jacobi elliptic functions in SageMath use the parameter rather than the elliptic modulus k, which is related to the parameter by \( m = k^2 \).

Plot on the real axis:

Series expansion about the origin:

Special values:

Related functions:   jacobi_cs

Function category: Jacobi elliptic functions sagemath-docs