Function: logn(minus(numbers('yxr') if log(noise(numbers('yxr')), numbers('yxr')) > numbers('yxy') else noise(numbers('yxr')) if noise(numbers('yxr')) > log(noise(numbers('yxr')), numbers('yxr')) else numbers('yxr'), numbers('yxy') if log(noise(numbers('yxr')), numbers('yxr')) > numbers('yxr') else noise(numbers('yxr'))))