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For example,

ex:=(a b)**{1/2};

Maybe some function like Assumption in Mathematica can be added.

in General questions by (2.1k points)
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1 Answer

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I found a way to do it. One can use function refine in sympy, for example,

from sympy import refine, sqrt, Q
from sympy.abc import L

refine(_._sympy_(), Q.positive(L));

But there is an another question: How to transform sympy expression to cadabra2 expression?

by (2.1k points)