3SIMULATE THE REAL WORLD
Computer simulations are programs that use randomness to simulate real-world events and processes. More specifically, computer simulations manipulate models, programmatic stand-ins for the real world.
We’ll begin this chapter by defining what a model is. Then we’ll get our feet wet with two straightforward simulation examples: estimating π by throwing darts and gathering people together in a room to estimate the probability that at least two of them share a birthday. Once we’ve done that, we’ll wade in further to explore Darwinian evolution via simulation, capturing essential characteristics of natural selection and genetic ...
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