Function: gradient[0](numbers('epe') if numbers('epe') > numbers("per") else numbers('yxy') if numbers("per") > numbers("per") if numbers('yxy') > numbers('yxy') if numbers('epe') > numbers('epe') else numbers("per") else gradient[1](numbers('yxy') if numbers("per") > numbers('epe') else numbers('epe')) else gradient[1](numbers("per") if numbers('epe') > numbers('epe') else numbers('yxy')))
