https://d2l.ai/chapter_appendix-mathematics-for-deep-learning/eigendecomposition.html
This is a very minor issue, but in 22.2.6.2 at the very end "If we look at the last portion of the above computation, we see that the random vector is stretched by a factor of 1.974459321485[...],
I think the number 1.97 is a typo at should be 2.45 as that is the largest eigenvalue as well as the number the chart suggests