Yaroslav Bulatov's user avatar
Yaroslav Bulatov's user avatar
Yaroslav Bulatov's user avatar
Yaroslav Bulatov
  • Member for 6 years, 8 months
  • Last seen this week
10 votes
2 answers
566 views

Eigenvectors of a small norm adjustment

10 votes
2 answers
1k views

How much regularization to add to make SVD stable?

9 votes
2 answers
255 views

Efficiently estimating trace of a product of matrices

9 votes
1 answer
235 views

What makes a good preconditioner when only a few approximate iterations are needed?

7 votes
2 answers
2k views

When is it easy to invert a sparse matrix?

7 votes
1 answer
202 views

Computing square root of diag(u)-uu'?

6 votes
1 answer
204 views

Which preconditioners make Richardson iteration convergent?

5 votes
0 answers
173 views

Dense least-squares with millions of variables

5 votes
0 answers
195 views

Solving $AXB + X\odot C = D$ matrix equation

5 votes
1 answer
113 views

Solving $AX+X^TB=C$?

4 votes
2 answers
165 views

Singular values of $X$ in $AX+XA=C$?

3 votes
1 answer
72 views

Bounding error of float32 matrix multiplication

3 votes
1 answer
1k views

Cholesky for ill-conditioned/singular covariance matrices

3 votes
1 answer
56 views

Reconstructing statistics of $x\otimes y$ from E[XX'], E[YY'] and E[XY']

3 votes
2 answers
121 views

Equations that are easier to verify than to solve?

3 votes
0 answers
74 views

Kronecker-factored least-squares?

3 votes
1 answer
139 views

Column-normalized inverse?

3 votes
1 answer
99 views

Rewriting quadratically-constrained optimization problem as a semidefinite program

2 votes
0 answers
51 views

Finding spectrum of a Kronecker factored + block-partitioned matrix

2 votes
0 answers
55 views

Estimating $n$ column norms of $A$ by using less than $n$ calls to $Ax$?

2 votes
1 answer
269 views

Faster eigenvector routine for non-symmetric matrices with real eigensystem?

2 votes
1 answer
48 views

Solving MX=N where M is structured as a Gaussian 4th-moment tensor

1 vote
0 answers
25 views

Multiplying by E[xy'] where only some statistics of xy' are known

0 votes
0 answers
49 views

Open-source iterative solvers robust to noise?

0 votes
0 answers
42 views

Rectangular problem to use for benchmarking a large dense linear solver?