Jose Martin-Garcia showcases xAct, a suite of free packages for tensor computer algebra. xAct implements state-of-the-art algorithms for fast manipulations of indices and has been modeled on the current geometric approach to General Relativity.
Presentation Notebook: https://wolfr.am/1dsDRS8Xj
Learn more here: http://www.xact.es
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#xact #tensorcomputeralgebra #relativity #package #wolfram #mathematica
