Function: square(gradient[0](band pass(sum(numbers('ryy') if numbers("xxr") > numbers('xyy') else numbers('epe'), numbers('epe'))) if numbers('ryy') if numbers('xyy') > numbers('epe') else numbers("xxr") > numbers('epe') else sum(numbers('epe') if numbers("xxr") > numbers('ryy') else numbers('xyy'), numbers('epe'))))
