Learner ID in MATLAB-Grader?

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Karoline Peters
Karoline Peters 2022-2-5
评论： Alfonso da Silva Saavedra 2022-12-30
Does Matlab-Grader has access to an a Learner ID or Solution ID in the script?
I would like to use this ID as the seed in rng() in order to create individual variables for each Learner.
  1 个评论
Alfonso da Silva Saavedra
Alfonso da Silva Saavedra 2022-12-30
Hi! I've done it. Take a look to this example: https://github.com/alfonsovng/matlab-grader-utils/tree/main/examples/3-script-problem-personalized-values-image

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回答（1 个）

Cris LaPierre
Cris LaPierre 2022-2-5
It does not. However, you can use random number generating functions to define variables in the reference and learner solutions without needing to set rng. The reference and learner workspaces share the same seed, so generate the same random numbers. This will allow you to create randomly generated variables every time a solution is run or submitted.
For an example, look at these problems in the Getting Started with MATLAB sample collection
  • Coordinate Transformations - Navigating a robot
  • Finding a signal through the noise
You can find this collection of problems on the Add Problem screen in MATLAB Grader
You can copy problems from this collection into yout collection
  2 个评论
Karoline Peters
Karoline Peters 2022-2-5
Thank you for your answer. But is it possible to get the same random numbers for each Learner after the solution is run. So that every Learner has their own variables?
Cris LaPierre
Cris LaPierre 2022-2-5
编辑：Cris LaPierre 2022-2-5
There is no built-in way to generate learner-specific variables, meaning one that is unique to a specific user and does not change every time the code executes.

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