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0 votes

I get the following error

{\color{red}{\begin{verbatim}RuntimeError: Free indices in different terms in a sum do not match.


and cadabra quits on me. Always.
Any solutions to this problem?

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1 Answer

+1 vote

You'll have to make this a bit more specific. Can you email me (info@cadabra.science) a notebook that fails in this way (preferably as short as possible)?

answered by (44.9k points)