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user1767774
  • Member for 9 years, 10 months
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10 votes
6 answers
18k views

Distribution of a binomial variable squared

4 votes
0 answers
413 views

SVD of “almost” block diagonal matrix

4 votes
1 answer
206 views

pseudoinverse of a square block diagonal matrix with projected diagonal matirces on diagonal

2 votes
3 answers
134 views

explanation for a combinatorial identity involving the binomial coefficient

1 vote
0 answers
99 views

Cross covariance matrix and permutations

1 vote
1 answer
2k views

Why do elementary row operations change the column space without changing the solution set?

1 vote
0 answers
70 views

Nonlinear functions with an analytic solution for the zero set

1 vote
1 answer
106 views

Maximizing $Tr(W^TP\Sigma PW)$ where $P$ is an orthogonal projection matrix

0 votes
1 answer
76 views

Maximising $Tr(PAPB)$ for orthogonal projection matrix $P$ and symmetric $A,B$. [closed]

0 votes
1 answer
33 views

Quantifying the "usefulness" of Penrose-pseudoinverse

0 votes
0 answers
104 views

Decomposition of the covariance matrix over two orthogonal subspaces

0 votes
0 answers
117 views

Use of FFT with a different definition of multiplication operator

0 votes
1 answer
274 views

Determining if a point is inside an infinite 3d elliptical tilted cone

0 votes
0 answers
32 views

Approximating $AB$ by $AP$ where $P$ is an orthogonal projection