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Category Archives: Math
A foray into number theory with Haskell
06-Jul-07
I encountered
an
interesting problem on reddit a few days ago which can be
paraphrased as follows:
Find a perfect square s such that
1597 s + 1 is also perfect square.
After reading the discussion about implementing a brute-force
algorithm to solve the problem and spending a futile half-hour or so
trying my hand at find a better way, someone noticed that [...]
One app I've always wanted to do was an n-body gravity simulator. Having recently discovered the <canvas> tag, I decided to whip up a quick naive simulator (won't work in IE, although this looks promising.):
#statistics {
padding: [...]
The area under the curve
03-Aug-06I was skimming through one of my favorite textbooks, which goes through elementary and vector calculus entirely in terms of differential forms, and remembered a passage from it that’s been niggling at me ever since I first read it.
First, it gives a fairly standard statement of the fundamental theorem of calculus:
Let F(t) be a function […]
Tupper’s Self-Referential Formula
20-Jul-06A formula which graphs itself out. I think this beats Euler’s identity for the title of “most beautiful equation”.