Function: gradient[0](minus(numbers('yxr') if numbers("xxx") > band pass(numbers('yxr')) else numbers('yxr'), band pass(numbers('yxr')))) if band pass(numbers('yxr')) > minus(numbers('yxr') if numbers("xxx") > band pass(numbers('yxr')) else numbers('yxr'), band pass(numbers('yxr'))) else numbers('yxr') if numbers("xxx") > band pass(numbers('yxr')) else numbers('yxr')
