my matlab does not recognize the function sym. how can I solve this problem?

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Maria
Maria el 29 de Nov. de 2012
my matlab does not recognize the function sym:
sym x; f=3*x
??? Undefined function or method 'sym' for input arguments of type 'char'.
Error in ==> Untitled at 1 sym x;
how can I solve this problem?

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Babak
Babak el 29 de Nov. de 2012
Editada: Babak el 29 de Nov. de 2012
you need to purchase the Symbolic Math Toolbox.
You probably don't have it.
check
syms x;
  2 comentarios
Babak
Babak el 29 de Nov. de 2012
run this in the command window:
>> ver
you'll see the toolboxes you are licensed to use.
Walter Roberson
Walter Roberson el 29 de Nov. de 2012
The Symbolic Math Toolbox is extra cost in every MATLAB -except- the Student Version, but in the Student Version it is not necessarily installed by default.

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