Monthly Archives: July 2010

Facing Autotools

One of the essential features of a good software package is that it is both portable and straightforward to build.  When working on a system (Linux or even OS X) with a UNIX shell, the most common build tools are … Continue reading

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Fast Multipole Method

To get a better intuition for how the Fast Multipole Method (FMM) approximates n-body interactions, I implemented the equations in Mathematica along with the exact solution. Below are some plots for different situations.  The thing to keep in mind is … Continue reading

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N-Body Problems

N-Body problems inevitably come up when doing any most any kind of physical simulation work, particularly when particles are involved.  N-Body problems appear whenever the particles in a system construct a field that in turn determines their dynamics.  The classic … Continue reading

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Chemical Automata

I first came across Chemoton (Chemical Automaton) Theory a few months ago when reading a paper entitled Software Replica of Minimal Living Processes, and ever since it has been an inspiration.  At the time, I was trying to figure out … Continue reading

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