Hongyi Zhao <hongyi.zhao@xxxxxxxxx> writes: >> But I think that there is a slightly cleaner way to compute the result >> you're after, like so: >> ... > So, your method and my original one give exactly the same result. > Therefore, I can't see what their fundamental difference is. I think Taylor offered a "slightly cleaner way", and not a "different way that computes better result". So it is not surprising, at least to me who is watching from the sideline, that you cannot see any fundamental difference.