gives the inverse Gudermannian function .
- Mathematical function, suitable for both symbolic and numerical manipulation.
- The inverse Gudermannian function is defined by .
- InverseGudermannian[z] has branch cut discontinuities in the complex plane running from to for integers .
- InverseGudermannian can be evaluated to arbitrary numerical precision.
- InverseGudermannian automatically threads over lists.
Introduced in 2008