Archive for April 12th, 2011
[I write this post with a certain degree of embarrassment, because in the end it turns out (1) to be more simple than I anticipated, and (2) already done before, as I could have found if I had internet access when I did this. :-)]
The so-called “Tupper’s self-referential formula” is the following, due to Jeff Tupper.
Graph the set of all points such that
in the region
where N is the following 544-digit integer:
The result is the following graph:
Whoa. How does this work?
At first sight this is rather too incredible for words.
But after a few moments we can begin to guess what is going on, and see that—while clever—this is perhaps not so extraordinary after all. So let us calmly try to reverse-engineer this feat.