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Results tagged with random-matrices
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user 122021
Statistics of spectral properties of matrix-valued random variables.
3
votes
1
answer
249
views
Help with understanding a proof on angle preservation
Let $R \in \mathbb{R}^{n,d}$ be a random Gaussian matrix comprised of independent $\operatorname{N}(0,\frac{1}{n})$ entries, let $\textbf{w}$ and $\textbf{x}$ be vectors in $\mathbb{R}^d$, and let $\e …
- 65
3
votes
1
answer
176
views
Proving tail bound of a random projection
Let $R \in \mathbb{R}^{n,d}$ be a random Gaussian matrix comprised of independent $\operatorname{N}(0,\frac{1}{n})$ entries, let $\textbf{w}$ and $\textbf{x}$ be vectors in $\mathbb{R}^d$, and let $\e …
- 65