Monthly Archives: April 2013

Henrietta Leavitt and the Cepheid Variables

This is the story of a woman named Henrietta. She was a computer. No, seriously. Back before the advent of the technology on which you are reading this, before the original IBM PC, before the Commodore VIC-20, before the Altair, before Kernighan … Continue reading

Posted in Uncategorized | 3 Comments

Laplace’s Method – the Saddle-Point Approximation

Lately, as a form of review, I’ve been taking a quantum mechanics course on Coursera. (It was, in fact, that course which prompted me to recently post a derivation of the Schrödinger equation a few weeks ago.) A couple of … Continue reading

Posted in Uncategorized | 1 Comment