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shuhalo
  • Member for 12 years, 6 months
  • Last seen more than a month ago
4 votes
1 answer
158 views

Numerically stable computation of $x^T A x$

1 vote
0 answers
81 views

Implementations of the Eisenstat-trick for SSOR

3 votes
3 answers
176 views

How to find the optimal SSOR parameter

5 votes
2 answers
212 views

Which way is the right way to compute the integrals in finite element methods?

9 votes
3 answers
879 views

Who uses finite elements with higher continuity?

5 votes
2 answers
418 views

Preconditioning symmetric Schur complement

2 votes
2 answers
357 views

wavelet for numerical partial differential equations

5 votes
2 answers
528 views

Spectral decomposition of symmetric matrix

4 votes
1 answer
2k views

Crouzeix-Raviart Finite Element

2 votes
1 answer
166 views

Which variants of the simplex method are actually used in applications

2 votes
1 answer
2k views

Update QR decomposition when one column is exchanged

8 votes
1 answer
146 views

Preconditioning and effects on precision of solution of LSE

5 votes
2 answers
479 views

Existence of incomplete cholesky factorization

3 votes
4 answers
2k views

What is the meaning of "preasymptotic" and "superconvergent"?

3 votes
1 answer
273 views

Algorithms for Compressed Sparse Rows

3 votes
1 answer
163 views

Introduction for (numerical) linear algebra of random variables

4 votes
1 answer
762 views

On implementations of the complex QR decomposition

15 votes
1 answer
888 views

What is the current state of polynomial preconditioners?

12 votes
2 answers
1k views

Higher precision floating-point arithmetic in numerical PDE

6 votes
1 answer
186 views

Identifying the name/provenance of a technique to find the nullspace vectors of a matrix by random sampling and the conjugate residual method

6 votes
3 answers
625 views

How to solve a small least-squares problem

10 votes
2 answers
3k views

Higher-order numerical integration on a triangle/tetrahedron/simplex

9 votes
2 answers
147 views

Estimate Norm of a black-box functional

10 votes
2 answers
374 views

What about this simple error estimate for linear PDE?

8 votes
2 answers
152 views

Initial guesses for perturbed linear systems

6 votes
1 answer
168 views

Compability conditions in domain decomposition methods

8 votes
1 answer
415 views

Red(-Green)-Refinement vs. Newest-Vertex-Bisection

18 votes
1 answer
3k views

How can wavelets be applied to PDE?

8 votes
2 answers
2k views

Shape regularity in higher dimensions

7 votes
2 answers
2k views

Reference implementation of Nédélec-Elements