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gr's Introduction

GR - A general relativity package

This is a symbolic general relativity calculator based on Mathematica.

Giving coordinates, metric and energy-momentum tensor, it will quickly and output-friendly calculate the Christoffel symbols, Riemann curvature tensor, Ricci tensor, Ricci scalar, Einstein tensor, Einstein equations, geodesic equations and anything related if you want.

The package is from https://library.wolfram.com/infocenter/MathSource/8847/ .

Besides, you can test Killing vector, solve Einstein equations...

Usage

Just download all, and check the GRnotebook.nb notebook using Mathematica. An example in it is a simple Schwarzschild condition. You can edit it as you want.

Online Priview

You can see the notebook online:

https://www.wolframcloud.com/obj/68919f07-3ef6-4bc0-84ce-e9bb670424aa

Or if you are logged-in user:

https://www.wolframcloud.com/env/68919f07-3ef6-4bc0-84ce-e9bb670424aa

gr's People

Contributors

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