Function: minus(gradient[0](numbers("xxx") if numbers("yxx") > numbers("xxr") else numbers("xxx") if numbers('xry') > numbers("xxr") else numbers("yxx")), numbers("xxr") if numbers("yxx") > numbers('xry') else numbers("xxx") if numbers("yxx") > numbers("xxr") else numbers("xxx")) if numbers("xxx") if numbers("yxx") > numbers('xry') else numbers("xxr") > numbers("xxx") if numbers('xry') if numbers("xxx") > numbers("yxx") else numbers("xxr") > numbers("xxr") else numbers("yxx") else gradient[0](numbers("xxx") if numbers("xxr") > numbers('xry') if numbers("xxr") > numbers("yxx") else numbers("xxx") else numbers("yxx"))
