Function: invert(numbers('rep') if numbers("yxx") if numbers("xxr") > numbers('rep') else numbers('rrr') > log(numbers('rrr') if numbers("yxx") > numbers('rep') else numbers("xxr"), numbers('rep')) else 10 *(log(numbers("xxr") if numbers('rrr') > numbers("yxx") else numbers('rep'), numbers('rep'))))