Function: minus(product(logn(numbers('epe')) if numbers("xxr") > numbers('epe') else numbers('epe') if numbers("xxr") > numbers("xxr") else logn(numbers('epe')), numbers("xxr") if numbers('epe') > logn(numbers('epe')) else numbers("xxr")), numbers("xxr") if numbers('epe') > logn(numbers('epe')) else numbers("xxr") if numbers('epe') > numbers("xxr") else logn(numbers('epe')))
