Function: invert(minus(numbers('yxr') if numbers("xxr") > numbers("per") else numbers('xyy') if numbers("xxr") > gradient[1](numbers("per") if numbers("xxr") > numbers('yxr') else numbers('xyy')) else gradient[1](numbers('yxr') if numbers("xxr") > numbers('xyy') else numbers("per")) if numbers("xxr") > numbers('xyy') else numbers('xyy') if numbers('yxr') > numbers("per") else numbers("xxr"), numbers('xyy') if numbers("xxr") > numbers("per") else numbers('yxr') if numbers('xyy') > gradient[1](numbers("xxr") if numbers('yxr') > numbers('xyy') else numbers("per")) else numbers("xxr")))
