Unrecognized function or variable 'pdeCoefficients'.

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The problem is that I am having this error: Unrecognized function or variable 'pdeCoefficients'.
I do not understand why MATLAB is not recognizing this function when I have installed the corresponding toolbox: Symbolic Math Toolbox (Version 8.6)
Can anyone help me find the solution?

Answers (1)

Gargi Patil
Gargi Patil on 31 Aug 2021
The version number you have provided refers to MATLAB R2015b. However, the function pdeCoeffecients was introduced in R2021a and will not be accessible by Symbolic Math Toolbox (Version 8.6). The release information for a particular function can be found at the end of the relevant documentation.
You can resolve this error by installing the latest version of the toolbox.

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