Simplify throws an error message and I don't understand why

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Dirk kok
Dirk kok 2013-9-12
Hi,
I get the following error message when i am playing around with the Simplify function and I was wondering why?
syms a b c R
A = (a*b + a*R)/(b+R)
Simplify(A, OutputType = "Proof")
Error: The expression to the left of the equals sign is not a valid target for an assignment.
Is this a new function within Matlab 2013b (I am currently using 2013a)? I have the Symbolic Math Toolbox (I did check this).
see also: example 9 on the following page: http://www.mathworks.co.uk/help/symbolic/mupad_ref/simplify1.html
Is there anything I am missing? Thanks in advance

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采纳的回答

Friedrich
Friedrich 2013-9-12
Hi,
that syntax is a MuPAD command so it works in MuPAD only. In the case you want to call it from MATLAB use:
feval(symengine,'Simplify',A,'OutputType = "Proof"')

更多回答（1 个）

Dirk kok
Dirk kok 2013-9-12
Wow thanks.
I wasnt aware of mupad. I heard about it when reading funtions but not what it actually does. A new world is opening for me.
thanks for that

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