https://d2l.ai/chapter_appendix-mathematics-for-deep-learning/random-variables.html
Cauchy distribution is wrong, which should be
18.6.31 is wrong by u=1+x^2
The second property of the correlation miss a sign(a)
Cauchy distribution is wrong, which should be
18.6.31 is wrong by u=1+x^2
The second property of the correlation miss a sign(a)