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Computational Science
Bill Greene's user avatar
Bill Greene's user avatar
Bill Greene's user avatar
Bill Greene
  • Member for 11 years, 9 months
  • Last seen this week
Profile Activity

176 Answers

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14 votes
Accepted

Quality of eigenvalue approximation in Lanczos method

10 votes

How to start using LAPACK in c++?

10 votes
Accepted

How do I simulate an open end?

9 votes

Best choice of solver for a large sparse symmetric (but not positive definite) system

8 votes

What is the difference between MATLAB and FORTRAN?

8 votes

Mesh ordering algorithms used by COMSOL Multiphysics

8 votes
Accepted

Eigen - Max and minimum eigenvalues of a sparse matrix

8 votes

Why is my simulation of a first-order wave equation not stable?

7 votes
Accepted

How do I integrate a function defined over an arbitrary area?

7 votes
Accepted

Evaluating the surface integral in an FEM (Finite Elements Method) procedure

7 votes

How do you generate data for VTK?

7 votes
Accepted

FEM Stiffness Matrix is always close to Singular or Badly Scaled

7 votes
Accepted

Is "tangent stiffness matrix" the same as "stiffness matrix"?

7 votes
Accepted

Time integration of first-order ODE with higher-order information

6 votes
Accepted

eigenvalues of a general complex matrix in C++

6 votes

Modern C++ in scientific computing?

6 votes

How to compute the rank of a large sparse matrix in MATLAB

6 votes
Accepted

Recommendation for an introductory level book in computational physics?

6 votes
Accepted

matlab eigs: wrong eigenvalues for tridiagonal matrix

6 votes

Fast, lightweight C++ tensor library for dimension-agnostic code

6 votes

When should a geometric stiffness matrix for truss elements include axial terms?

6 votes
Accepted

Euler-Bernoulli beam element versus continuum beam element

6 votes

How does one calculate reaction force in FEA?

5 votes
Accepted

Is this the correct way for solving coupled 1d PDEs using finite difference methods?

5 votes
Accepted

3D Solid 8 Node FEM Matlab Code

5 votes

How to solve my PDE's in Matlab?

5 votes
Accepted

Supernodal vs. Multifrontal Matrix Decompositions

5 votes
Accepted

what is difference “DSYEV(LAPACK SUBROUTINE)” and “Lanczos”?

5 votes
Accepted

Does the finite element method impose any restrictions on the Peclet number for numerical stability?

5 votes
Accepted

How can I solve stiff equations by method of line (MOL)?

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