MATLAB Answers


Undefined command/function 'solve'

Asked by Cristian
on 18 Nov 2012

Hi, I have a problem when try to use the command '*solve*'.

I have the following line:


Produces this error message:

??? Undefined command/function 'solve'.

Can help me?

Sorry for my English. Thank you.



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1 Answer

Answer by Walter Roberson
on 18 Nov 2012
 Accepted answer

Solve is part of the Symbolic Mathematics Toolbox, which needs to be installed and licensed. The Symbolic Mathematics Toolbox is included with the Student Version (but is not necessarily installed by default), but is extra cost for the Academic and Commercial versions.


Produces the following error:

>> doc(symengine)
??? Undefined function or variable 'symengine'.

I have to install another component?

on 18 Nov 2012

It appears so...


which -all syms

and see if it says it is there, and see if it also reports "no license".

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