Function: exp(minus(numbers("xxy"), numbers('yxr')), numbers("xxy")) if band pass(exp(minus(numbers("xxy"), numbers('yxr')), numbers("xxy"))) > minus(numbers("xxy"), numbers('yxr')) else minus(numbers("xxy"), numbers('yxr')) if exp(minus(numbers("xxy"), numbers('yxr')), numbers("xxy")) > band pass(exp(minus(numbers("xxy"), numbers('yxr')), numbers("xxy"))) else numbers("xxy")