Built on Facts

Archives for February, 2009

Paying the bills

As a graduate student, you’re an adult on your own. You have to find a place to live, food to eat, and a way to get around. Like most of the necessities of life, these things cost money. Where to get it? There’s three major options. 1. Teaching Assistantships. You are hired by the department…

To Pluto!

Whew! Long weekend. Unfortunately, due to work/procrastination the post I wanted to write still isn’t ready. But today I’m also teaching 1d accelerated motion to my Physics 218 students, and that’s interesting of itself. One of the things I try to do is give problems that help build instinct for what an answer should look…

Sunday Function

First, a very quick and simple introduction to recursion. Here’s an example. Pick a positive whole number n. The factorial function in the product of all the integers between 1 and n. For some reason it’s denoted by an exclamation point. Now if you compute 5!, you don’t need to repeat the whole process if…