Function: invert(log(numbers("xyx") if numbers('yyx') > gradient[1](numbers("xxx")) else numbers("xxx"), gradient[1](numbers("xxx")))) if gradient[1](numbers("xxx")) > numbers('yyx') if numbers("xyx") > gradient[1](numbers("xxx")) else numbers("xxx") else log(gradient[1](numbers("xxx")) if numbers("xxx") > numbers("xyx") else numbers('yyx'), gradient[1](numbers("xxx")))