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 | 1 | initial version |  |
like this
A.<a,b> = FreeAlgebra(QQ, 2)
f = a + a * b - b * a
aa,bb=A.monoid().gens()
f.coefficient(aa*bb)| | 1 | initial version | |
like this
A.<a,b> = FreeAlgebra(QQ, 2)
f = a + a * b - b * a
aa,bb=A.monoid().gens()
f.coefficient(aa*bb)
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