The arguments and given to EllipticLog must be related by .
It is natural to think of EllipticLog as a function of a single argument (for fixed parameters and ). You can supply the argument automatically; choosing the opposite branch for the square root changes the sign of the result of EllipticLog.
This is the derivative.
THIS IS DOCUMENTATION FOR AN OBSOLETE PRODUCT. SEE THE DOCUMENTATION CENTER FOR THE LATEST INFORMATION.