
Gravity: An Introduction to Einstein's...
Mathematica Notebooks

The computer programs below were written in Mathematica to help you do key calculations in general relativity. Click on the .pdf files to see a sample output of each program in Adobe Acrobat format. Download and save the .nb files to see the files in Mathematica notebook format. You'll need to have the Mathematica program to open the .nb files.

Title 
PDF Sample Output 
PC User Downloads 
MAC User Downloads 
Christoffel Symbols and the Geodesic Equation  Computes the Christoffel symbols and exhibits the components of the geodesic equation for a given metric. 
Christoffel 
Christoffel.nb.zip 
Christoffel.nb.sit

Orbits in the Schwarzschild Geometry  Calculates the shape of orbits in the Schwarzschild geometry. 
Schwarzorbits 
Schwarzorbits.nb.zip 
Schwarzorbits.nb.sit 
FriedmanRobertsonWalker Cosmological Models  Solves the Friedman Equation to compute the evolution of a FRW model with general values of the cosmological parameters. 
FRW 
FRW.nb.zip 
FRW.nb.sit 
Curvature and the Einstein Equation  For a given metric calculates the Christoffel symbols, the components of the Riemann curvature, the Ricci Curvature, the Curvature scalar, and the Einstein Curvature, all in a coordinate basis. 
Curvature 
Curvature.nb.zip 
Curvature.nb.sit 

