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The purpose of this exercise is to get some hands-on experience with
the numerical integration of ODE systems. We will integrate the
geodesic equations in the Schwarzschild spacetime and those of a
relativistic stellar model.
There are some subtleties and potential pitfalls one should be aware of
even when dealing with the numerics of relatively simple ODEs, but our main
focus here is to illustrate some simple physics concepts. As the
instructor has pointed out many times, The non-linearity of the most
simple equations sometimes produce a rich phenomenology, as in the
case of the TOV equations.
Benjamin Gutierrez
2005-07-23