Function: gradient[1](mean(numbers("xxx") if 2 *(numbers('ryy') if numbers('rrr') > invert(numbers("xxx")) else numbers("xxx")) > invert(numbers("xxx")) else numbers("xxx") if numbers('ryy') > invert(numbers("xxx")) else numbers('rrr'), 2 *(numbers('ryy') if numbers("xxx") > invert(numbers("xxx")) else numbers('rrr'))))
