Say you are measuring some signal, which you expect to show an exponential decay, but you are unsure of the zero-point on your measuring device. If you want to measure the time constant of the decay you need to know what it’s decaying to. For a signal s,
In order to do conventional least-squares fitting to 
Step response of NIH 3T3 fibroblasts to ionomycin
As I am wont to do, I’ve been frittering away the hours poking and prodding TeX to make beautiful graphics. This is my way of giving myself the impression of working hard, and actually accomplishing things, though not things that necessarily advance my career.
I’m quite fond of PSTricks, a LaTeX package which allows the author to make use of PostScript’s extensive computational and graphical capabilities from within a TeX document. My project for this week was to come up with a way to give these figures to my advisor, who works exclusively in MS Word. So what I needed was a way to export TeX figures to graphics files. Here’s what I came up with.
more))
