Create Subparts in one problem on MATLAB grader

Question

Shruthi Srinivasan 2024-1-20

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2072251-create-subparts-in-one-problem-on-matlab-grader

评论： Dyuman Joshi 2024-1-22

Is it possible to create multiple subparts under one problem in MATLAB grader? If so how can we do it?

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Cris LaPierre 2024-1-20

编辑：Cris LaPierre 2024-1-20

Could you please clarify what you mean by 'subparts'? What would this look like, and what would be the reason for doing this?

Shruthi Srinivasan 2024-1-20

编辑：Shruthi Srinivasan 2024-1-20

To provide more clarity, Say there are three questions, one question deals with solving for hypotenuse, other the problem the adjacent side and the third the opposite side. Can I have three questions under one problem?

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Answer 1

Dyuman Joshi 2024-1-20

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2072251-create-subparts-in-one-problem-on-matlab-grader#answer_1393336

编辑：Dyuman Joshi 2024-1-20

在 MATLAB Online 中打开

Yes, in addition to tests provided by the MATLAB Grader, you can include your custom assessments. See the documentation for

> Function based problems -

https://in.mathworks.com/help/matlabgrader/ug/create-a-function-based-problem.html

https://in.mathworks.com/help/matlabgrader/ug/assessments-for-function-based-learner-solutions.html

> Script based problems -

https://in.mathworks.com/help/matlabgrader/ug/create-script-based-problems.html#mw_5fd78f4b-935e-4ef0-aad5-3f663d539ae0

https://in.mathworks.com/help/matlabgrader/ug/assessments-for-script-based-learner-solutions.html

Here is an example of custom test case using assert -

out = zeros(3,4,'uint8');
%%
%Check for data-type of the output
assert(isa(out, 'uint8'), 'The output must be a Unsigned 8-bit integer array')
%%
%Check for size of the output
assert(isequal(size(out), [3 4]), 'The output must be of size [3 4]')
%%
%Check for values of the output
assert(isequal(out, ones(3,4,'uint8')), 'The obtained output is not correct')
Error using assert
The obtained output is not correct

In case, there are multiple cases for which you want to check you can club them together as well -

%Let fun be the function where the code is written
%%
out1 = fun(in1);
assert(isa(out1, 'uint8'), 'The output must be a Unsigned 8-bit integer array')
assert(isequal(size(out1), [3 4]), 'The output must be of size [3 4]')
assert(isequal(out1, ones(3,4,'uint8')), 'The obtained output is not correct')
%%
out2 = fun(in2);
assert(isa(out2, 'uint8'), 'The output must be a Unsigned 8-bit integer array')
assert(isequal(size(out2), [6 6]), 'The output must be of size [6 6]')
assert(isequal(out1, uint8(magic(6))), 'The obtained output is not correct')

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Shruthi Srinivasan 2024-1-20

I see, Just a follow up question, say a folder has 2 problems can we automatically incorporate Canvas to cummulatively grade the folder rather than assigning individual grades to the problems?

Dyuman Joshi 2024-1-22

I am not familiar with Canvas, however based on this particular video it seems you can put the questions together in a group and MATLAB Grader will automatically grade it.

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