Cell array test in MATLAB Grader

Question

Agustín 2023-10-9

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2030969-cell-array-test-in-matlab-grader

评论： Agustín 2023-10-13

I am preparing some exercises in MATLAB and some of the solutions might be indicated within cell arrays.

I have noticed that form some variables like transfer functions, space state models... the default value comparison is not effective and a MATLAB Code test must be used. Is it the same when using cell arrays?

Regards

Agustín

4 个评论
显示 2更早的评论隐藏 2更早的评论

Walter Roberson 2023-10-10

I have seen people occasionally post that the State Space representation of a system is not unique. Is there a good way to figure out if two state space representations are equivalent?

Agustín 2023-10-13

In my case, as they have to get it from a ODE system of equations, I specify them the order of the state variables, and I compare the system matrices with an assert function as in this link, but changing the tf commands and members to the ss ones.

请先登录，再进行评论。

请先登录，再回答此问题。

Answer 1

Cris LaPierre 2023-10-9

1
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2030969-cell-array-test-in-matlab-grader#answer_1329434

As Dyuman Joshi pointed out, it depends what you are storing in your cell array. If you store any variables that require a MATLAB Code assessment test to assess them (objects, transfer functions, etc), then you will need to write a custom assessment test to assess your cell array.

If you only store variables that the default 'Variable Equals Reference Solution' test type can assess, then you can use that same test to assess your cell array.

1 个评论
显示 -1更早的评论隐藏 -1更早的评论

Agustín 2023-10-9

Thank you Cris. Inside each cell I have matrices, therefore I could just use the usual 'Variable Equals Reference Solution', which should evaluate each cell array component.

As I have another case where the cells contain space state models I will implement a custom assessment for them.

Thank you again!

请先登录，再进行评论。