Tuesday, August 18, 2009

The mathematical model for a zombie attack.

Convincing, although unsurprising, results from guys who know how to model infectious disease.

Marginal Revolution: Mathematics of a Zombie Attack
Zombies are a popular figure in pop culture/entertainment and they are usually portrayed as being brought about through an outbreak or epidemic. Consequently, we model a zombie attack, using biological assumptions based on popular zombie movies. We introduce a basic model for zombie infection, determine equilibria and their stability, and illustrate the outcome with numerical solutions. We then refine the model to introduce a latent period of zombification, whereby humans are infected, but not infectious, before becoming undead.

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