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2 answers
5 votes
2k views
4 bookmarks
Evaluating the surface integral in an FEM (Finite Elements Method) procedure
1 answers
14 votes
965 views
7 bookmarks
Are direct solvers affected by the condition number of a matrix?
4 answers
4 votes
3k views
2 bookmarks
How to deal with nonlinear term in Navier Stokes equations (finite element code)
1 answers
20 votes
3k views
15 bookmarks
BDF vs implicit Runge Kutta time stepping
6 answers
18 votes
2k views
6 bookmarks
How to reorder variables to produce a banded matrix of minimum bandwidth?
1 answers
3 votes
162 views
1 bookmarks
How to show that a problem is ill-posed
1 answers
4 votes
203 views
1 bookmarks
How can one prove the duality of Voronoi and Delaunay?
2 answers
6 votes
2k views
4 bookmarks
implementing higher order derivatives for finite element
1 answers
1 votes
324 views
1 bookmarks
Conjugate gradient - ill-conditioning and numerical tolerance
2 answers
5 votes
208 views
1 bookmarks
Building Gaussian-type quadrature schemes with Zernike polynomials
1 answers
2 votes
165 views
1 bookmarks
Poorly conditioned, easily evaluated sum for unit testing
8 answers
166 votes
134k views
161 bookmarks
Recommendations for a usable, fast C++ matrix library?
2 answers
29 votes
5k views
25 bookmarks
Is Crank-Nicolson a stable discretization scheme for Reaction-Diffusion-Advection (convection) equation?
2 answers
10 votes
940 views
4 bookmarks
How much regularization to add to make SVD stable?
2 answers
5 votes
515 views
4 bookmarks
Solving Poisson equation with current BC using FEM
1 answers
3 votes
261 views
4 bookmarks
FEM current toy problem
1 answers
3 votes
580 views
1 bookmarks
p-refinement in adaptive methods
1 answers
6 votes
269 views
5 bookmarks
Why is the continuous Galerkin Finite Element Method a poor choice for the inverse problem for the Navier-Lame equation?
2 answers
8 votes
456 views
3 bookmarks
Why does conjugate gradient work with this nonsymmetric preconditioner?
2 answers
17 votes
3k views
14 bookmarks
Numerically stable way of computing angles between vectors
1 answers
3 votes
144 views
1 bookmarks
Comments needed on the doubts of PDEs in moving boundary problems
2 answers
10 votes
512 views
8 bookmarks
Where can I find a good reference for the stability properties of several methods of solving parabolic PDEs?
1 answers
2 votes
427 views
1 bookmarks
Why do we need orthonormal basis of Krylov subspaces for GMRES?
5 answers
10 votes
8k views
2 bookmarks
C++ library for numerical intergration (quadrature)
3 answers
6 votes
423 views
3 bookmarks
How to impose boundary condition with mixed derivatives?
1 answers
21 votes
9k views
18 bookmarks
What is the general idea of Nitsche's method in numerical analysis?
1 answers
3 votes
176 views
3 bookmarks
Stability of PDE Discretizations with Multistep Time Discretizations
0 answers
8 votes
676 views
2 bookmarks
Numerical implementation of the Dirichlet-to-Neumann map
9 answers
29 votes
2k views
11 bookmarks
What is a good way to run parameter studies in C++
3 answers
5 votes
130 views
4 bookmarks
Naming scientific output files