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Alexander
  • Member for 10 years, 4 months
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19 votes
2 answers
10k views

Null-space of a rectangular dense matrix

9 votes
4 answers
3k views

Condition number of A'A and AA' formulations

8 votes
2 answers
1k views

How does a Sparse Direct Solver know about dimensionality of a problem being solved?

7 votes
1 answer
352 views

float128 in linear algebra

7 votes
3 answers
851 views

Largest eigenvalue of FD discrete Laplacian

6 votes
2 answers
401 views

Does right-hand side influence convergence rate of a Krlylov subspace method?

5 votes
2 answers
276 views

Condition number of (A + cI) matrix

5 votes
2 answers
2k views

How does matrix scaling influence linear solvers?

4 votes
2 answers
1k views

Line search for Newton method

4 votes
3 answers
1k views

Spectrum of the product of two matrices

4 votes
1 answer
143 views

What type of matrices is approximate inverse preconditioner $||I - AM||_F$ well suited for?

3 votes
1 answer
279 views

Large-scale box-constrained linear least-squares