Yeah, deducing the incremental computation to work backwards can take some practice. I take completely different approach to explaining how to do it in https://

Yeah, deducing the incremental computation to work backwards can take some practice. I take completely different approach to explaining how to do it in https://blog.moertel.com/posts/2013-05-14-recursive-to-iterative-2.html https://blog.moertel.com/posts/2013-05-14-recursive-to-itera....