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Questions about the NCAlgebra, a package for manipulating noncommuting algebraic expressions.
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NCAlgebra - Factoring common commutative coefficients
CapitalDelta]1, \[CapitalDelta]2]
SetNonCommutative[g, e, r]
DisplayRule = NonCommutativeMultiply[a__] :> Infix[NonCommutativeMultiply[a],"\InvisibleTimes]\[InvisibleTimes]"]
Which has allowed me to get NCAlgebra …
3
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NCAlgebra - Factoring common commutative coefficients
Ok, I found the function NCCollect from this question which can factor like so
NCCollect[a ** b ** c - a ** b ** d, {a, b}]
results in
a ** b ** (c - d)