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shuhalo
  • Member for 12 years, 5 months
  • Last seen more than a month ago
54 votes
5 answers
11k views

What are criteria to choose between finite-differences and finite-elements

18 votes
1 answer
3k views

How can wavelets be applied to PDE?

15 votes
1 answer
884 views

What is the current state of polynomial preconditioners?

12 votes
2 answers
1k views

Higher precision floating-point arithmetic in numerical PDE

10 votes
2 answers
3k views

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

10 votes
2 answers
374 views

What about this simple error estimate for linear PDE?

9 votes
2 answers
147 views

Estimate Norm of a black-box functional

9 votes
3 answers
1k views

Iterative methods for indefinite systems without block structure

9 votes
3 answers
852 views

Who uses finite elements with higher continuity?

8 votes
1 answer
146 views

Preconditioning and effects on precision of solution of LSE

8 votes
2 answers
2k views

Shape regularity in higher dimensions

8 votes
4 answers
390 views

(How) do you take into account memory fragmentation?

8 votes
1 answer
415 views

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

8 votes
2 answers
152 views

Initial guesses for perturbed linear systems

7 votes
2 answers
2k views

Reference implementation of Nédélec-Elements

6 votes
3 answers
624 views

How to solve a small least-squares problem

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
1 answer
168 views

Compability conditions in domain decomposition methods

5 votes
5 answers
1k views

Introductions to hp-FEM

5 votes
2 answers
478 views

Existence of incomplete cholesky factorization

5 votes
2 answers
211 views

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

5 votes
2 answers
527 views

Spectral decomposition of symmetric matrix

5 votes
2 answers
414 views

Preconditioning symmetric Schur complement

4 votes
1 answer
157 views

Numerically stable computation of $x^T A x$

4 votes
1 answer
2k views

Crouzeix-Raviart Finite Element

4 votes
1 answer
762 views

On implementations of the complex QR decomposition

4 votes
1 answer
116 views

Applicability of combinatorial and support preconditioner

3 votes
1 answer
163 views

Introduction for (numerical) linear algebra of random variables

3 votes
1 answer
273 views

Algorithms for Compressed Sparse Rows

3 votes
4 answers
2k views

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