Function: log(square(gradient[1](2 *(numbers("per") if numbers("per") if numbers("xyx") > numbers('yxy') else numbers("xxy") > numbers("xyx") else numbers('yxy')))), gradient[1](2 *(numbers("per") if numbers("xxy") > numbers('yxy') else numbers("xyx") if numbers('yxy') > numbers("per") else numbers("xyx"))))
