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John
  • Member for 8 years, 2 months
  • Last seen more than a month ago
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Top posts
question
4
Finding high-dimensional correlation matrices that are both sparse and low-rank
Feb 16, 2017
question
3
matching two positive-semidefinite matrices
Nov 21, 2018
question
3
Independent input feature z can be removed: if y=f(x+z,z), then y=g(x)?
Aug 27, 2022
question
3
$\mathbf{y}=f(\mathbf{x},\mathbf{z})=g(\mathbf{x})$ if $\mathbf{z}\perp \!\!\! \perp \{\mathbf{y},\mathbf{x}\}$ jointly?
Aug 28, 2022
question
2
Average the covariance matrix over all orthogonal matrices
May 11, 2021
question
1
Rank of cross-covariance matrix
Mar 11, 2017
question
0
$|\frac{1}{n}\sum_{i=1}^n X_i-E(X_1)|=O_P(\frac{1}{\sqrt{n}})$ under $E(|X_1|)<\infty$?
Jun 12, 2021
question
0
Define an inner product between p-blades so that 0= completely orthogonal and 1=completely overlapping for their subspaces
Jun 28, 2021
question
-2
$E(\mathbf{y}|\mathbf{x}+\mathbf{z})=g(\mathbf{x})$ almost surely, if $\mathbf{z}\perp \!\!\! \perp \{\mathbf{y},\mathbf{x}\}$ jointly?
Jul 15