Undefined function 'sym' for input arguments of type 'double'.

Hi everyone;
When I run this script:
% This is a comment.
>> 4+5-3
ans =
6
>> 2*3/6
ans =
1
>> sym(1/2)+sym(3/4)
I face this error:
Undefined function 'sym' for input arguments of type 'double'.
Could anyone help me please?

回答(2 个)

You might not have the Symbolic Toolbox installed or licensed. The Symbolic Toolbox is an extra-cost feature for Academic and Commercial licenses. The Symbolic Toolbox is included with the Student Version but is not necessarily installed by default.

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2012-11-27

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