Function: exp(logn(noise(divide(numbers('epe'), numbers("xxx")) if numbers('epe') > numbers("xxx") else numbers("xxr"))), noise(numbers('epe') if divide(numbers('epe'), numbers("xxx")) > numbers("xxx") else numbers("xxr"))) if logn(noise(numbers('epe') if numbers("xxr") > divide(numbers('epe'), numbers("xxx")) else numbers("xxx"))) > noise(numbers('epe') if divide(numbers('epe'), numbers("xxx")) > numbers("xxr") else numbers("xxx")) else numbers("xxx") if numbers("xxr") > divide(numbers('epe'), numbers("xxx")) else numbers('epe')