Function: logn(mean(square(sum(product(numbers("xxr") if numbers("xxr") > numbers("xxy") else numbers("yxx"), numbers("yxx")), numbers("xxy") if numbers("xxr") > numbers("xxr") else numbers("yxx"))), sum(product(numbers("xxy") if numbers("xxr") > numbers("xxr") else numbers("yxx"), numbers("yxx")), numbers("xxr") if numbers("xxr") > numbers("yxx") else numbers("xxy"))))
