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Federico Poloni's user avatar
Federico Poloni's user avatar
Federico Poloni's user avatar
Federico Poloni
  • Member for 11 years
  • Last seen this week
17 votes
3 answers
2k views

Are BLAS implementations guaranteed to give the exact same result?

11 votes
2 answers
2k views

Why is RK45 used as the "default" method for non-stiff ODEs rather than a multistep one?

10 votes
2 answers
311 views

Finite elements $W^{1,\infty}$ error estimates

10 votes
3 answers
2k views

Benchmarks for Gröbner bases and polynomial system solution

7 votes
0 answers
177 views

"Geometry of ill-conditioning" for least-squares problems

5 votes
0 answers
1k views

Symmetric sparse direct solvers in scipy

5 votes
3 answers
248 views

Automatic finite differences

5 votes
0 answers
116 views

Name for vectors in a Krylov space but not the preceding one

5 votes
2 answers
488 views

Term for the typical "linear in the larger dimension, quadratic in the smaller" cost for linear algebra

5 votes
1 answer
408 views

The nitty-gritty details of augmented Lagrangian methods

4 votes
2 answers
442 views

Solving systems of linear equations with cyclic bidiagonal matrix

4 votes
1 answer
704 views

Code to update dense QR and Cholesky factorizations

4 votes
1 answer
186 views

Trace of inverse from LU decomposition

3 votes
1 answer
56 views

Matrices that achieve worst-case $LDL^T$ element growth

3 votes
1 answer
112 views

Why do people omit the lowest times when averaging timing results?

2 votes
1 answer
96 views

Is there a single noun to indicate "the ordering (row-major or column major) used in an array"?

1 vote
1 answer
189 views

Lapack symmetric update $B^{-1}AB^{-T}$

1 vote
1 answer
108 views

Efficiently swap vectors in PETSC