Function: logn(numbers('rep') if numbers('ryy') if minus(numbers('rep'), numbers('ryy')) > numbers('yxy') else numbers('rep') > numbers('ryy') if numbers('rep') > minus(numbers('rep'), numbers('ryy')) else minus(numbers('rep'), numbers('ryy')) if numbers('rep') > numbers('yxy') else numbers('ryy') else minus(numbers('rep'), numbers('ryy')))