Getting the error as "Undefined function or method 'syms' for input arguments of type 'char'" when trying to use syms

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PRITESH GARG 2015-2-23

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https://ww2.mathworks.cn/matlabcentral/answers/179810-getting-the-error-as-undefined-function-or-method-syms-for-input-arguments-of-type-char-when-t

回答： Steven Lord 2021-5-6

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Majid 2021-5-6

I would like to know if you could have found any solution to this problem. I am getting the same error, using MATLAB 2009.

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Answer 1

Steven Lord 2021-5-6

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https://ww2.mathworks.cn/matlabcentral/answers/179810-getting-the-error-as-undefined-function-or-method-syms-for-input-arguments-of-type-char-when-t#answer_693770

You likely don't have Symbolic Math Toolbox installed and licensed. Check the output of the ver function to see if it's installed and use the license function to see if you have a license for it. If you do have a license for it, contact your license administrator to see if all the licenses are currently in use.