Function: mean(cos(product(10 *(log(numbers('yxy'), numbers('yyx'))), log(numbers('yxy'), numbers('yyx'))) if log(numbers('yxy'), numbers('yyx')) > numbers('yxy') else 10 *(log(numbers('yxy'), numbers('yyx')))), numbers('yxy') if log(numbers('yxy'), numbers('yyx')) > 10 *(log(numbers('yxy'), numbers('yyx'))) else product(10 *(log(numbers('yxy'), numbers('yyx'))), log(numbers('yxy'), numbers('yyx'))))
