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[...]`

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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