Function: gradient[2](gradient[1](numbers("xxr") if divide(numbers('xyy'), numbers("xxr")) if numbers('ryy') > numbers("xxr") else numbers('xyy') > numbers('xyy') else divide(numbers('xyy'), numbers("xxr")) if numbers('ryy') if divide(numbers('xyy'), numbers("xxr")) > numbers('xyy') else numbers("xxr") > divide(numbers('xyy'), numbers("xxr")) else numbers('xyy')))
