Function: gradient[0](numbers('xyy') if logn(minus(numbers('rep') if numbers('yxy') > numbers('yxr') else numbers('xyy'), numbers('xyy'))) > minus(numbers('xyy') if numbers('yxr') > numbers('yxy') else numbers('rep'), numbers('xyy')) else numbers('yxr') if numbers('rep') > numbers('xyy') else numbers('yxy'))
