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Matrix symbolic definition for algebra

asked 2023-01-09 08:26:29 +0100

Pickle gravatar image

updated 2023-01-10 02:09:32 +0100

Is there a way to define variables as matrices and then perform simplification? For instance, instead of A=var('A') being a scalar variable, can A be defined as a matrix?

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These are similar examples of what I am thinking. Is there similar functionality in Sagemath? https://www.diva-portal.org/smash/get...https://ieeexplore.ieee.org/document/...

Pickle gravatar imagePickle ( 2023-01-10 02:10:00 +0100 )edit

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answered 2023-01-09 10:28:24 +0100

FrédéricC gravatar image

Use the tensor algebra

sage: R = algebras.Free(QQ,['A','B','C'])
sage: A,B,C = R.gens()
sage: A*B-B*A
A*B - B*A
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This is a good idea. However, it doesn't seem to allow for matrix operations like determinant and transpose

Pickle gravatar imagePickle ( 2023-01-10 00:50:22 +0100 )edit

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Asked: 2023-01-09 08:26:29 +0100

Seen: 99 times

Last updated: Jan 10 '23