Problem with using subs() for products of symbolic variables
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I have a question regarding the use of the subs function in the symbolic toolbox. It seems to have trouble with products of symbolic variables. For example, I would expect
>> subs(3*a*b+b,a*b,0) to produce b
Instead, it produces: b + 3*a*b
Can this be remedied?
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Accepted Answer
Andrei Bobrov
on 6 Jan 2012
use function subsex by MuPAD
out = feval(symengine,'subsex', b + 3*a*b, 'a*b = 0')
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