C1W2 Linear algebra course

Course Q&A Math for Machine Learning Linear Algebra for Machine Learning and Data Sc...
1

How can i reset my notebook so that i can start over ?

2

Here’s a thread about that.

The TL;DR is:

  1. Rename your existing notebook
  2. Click “Help → Get Latest Version” and follow the steps there. That’s the Help in the upper right corner of the notebook window.

If you don’t rename or delete your notebook first, then nothing happens: the “Get Latest Version” procedure is specifically designed not to overwrite existing files so that people don’t accidentally lose their work.

All that is documented in great detail on the thread that I linked above.

3

I followed the steps and nothing happens . Could you help me with this ?

4

Most likely that means you did not follow the instructions correctly. Are you sure that you renamed your notebook first? Did you read the full thread that I shared or did you just try to follow my short steps 1) and 2) above?

Note that the mentors cannot directly see or modify your notebooks.

5

I renamed my notebook then i clicked on Help then get latest version . and nothing happened . https://www.coursera.org/learn/machine-learning-linear-algebra/programming/XGw1g/gaussian-elimination/lab?path=%2Fnotebooks%2FC1W2_Assignment.ipynb

6

By “nothing happened”, do you mean that all your previous work is still there in the notebook that you get when you click “Launch Lab” from the main assignment page?

Or do you just mean that the version doesn’t change, but it is a clean notebook?

Either way, I can’t really help you. If it is the first case, then the only theory I have is that you did not follow the instructions correctly. It works for me when I follow the procedure: I get a clean copy.

One thing you could try to confirm that your “rename” operation is working is to do the rename and then close that window and go back to the Assignment page and click “Launch Lab”. If your rename was successful, that should now give you a 404 error and no assignment. But then you can still click “Help → Get Latest Version” and that should then give you a fresh clean copy with none of your work in it.

7

Thank you very much , i solved the problem .

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