Unrecognized function in reinforcement learning toolbox

Question

Nozhan Ghoreishi 2020-4-27

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https://ww2.mathworks.cn/matlabcentral/answers/521181-unrecognized-function-in-reinforcement-learning-toolbox

评论： the cyclist 2020-4-27

Hey guys

Im kind of new into reinforcement learning and was just testing mathworks examples on my matlab and keep getting the error :

Unrecognized function or variable 'rlqValueRepresentation'.

Is there any installations needed for using this function?

Thanks in advance

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Answer 1

Steven Lord 2020-4-27

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https://ww2.mathworks.cn/matlabcentral/answers/521181-unrecognized-function-in-reinforcement-learning-toolbox#answer_428746

This function was introduced in Reinforcement Learning Toolbox in release R2020a according to its documentation page. Are you using release R2020a or later and do you have Reinforcement Learning Toolbox installed and licensed?

Also make sure you're calling it with the correct case: rlQValueRepresentation not rlqValueRepresentation. [Though I would expect MATLAB to suggest the correctly cased spelling if the function is available.]

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Answer 2

the cyclist 2020-4-27

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https://ww2.mathworks.cn/matlabcentral/answers/521181-unrecognized-function-in-reinforcement-learning-toolbox#answer_428736

编辑：the cyclist 2020-4-27

在 MATLAB Online 中打开

Do other functions from the toolbox work?

Does the output of

>> ver

list the toolbox?

If you go to the License Center, and select your license, is the toolbox listed?

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Nozhan Ghoreishi 2020-4-27

在 MATLAB Online 中打开

I typed:

>>ver rl

and got the following output :

I actully found that this function was introduced in matlab R2020a version and Im using R2019b so Im wondering if the reinforcement learning toolbax lacks this function in my version and I have no way but to update my MATLAB ?

regards