Linear Algebra


Topic Replies Activity
About the Linear Algebra category 1 January 28, 2019
Outer product evaluation 8 January 9, 2020
Can't use Eigen backend in Fenics 2019.1.0 2 January 8, 2020
PETSc finite element assembly dies for large matrices 1 November 28, 2019
Failed to solve fluid dynamics problem with quadrilateral element 1 November 28, 2019
Multithreading by MUMPS or SUPERLU 1 November 26, 2019
Vector local size doesn't match local_to_global map size 1 November 25, 2019
Preconditioner for indefinite linear system 6 November 21, 2019
It seems that local_size() didn't return real local_size of a vector? 4 November 21, 2019
Navier-Stokes, stability, Jacobian and eigenvalues 1 November 5, 2019
Navier-Stokes linear stability analysis 1 October 28, 2019
Assembling in Parallel and Solving in Serial 5 October 16, 2019
Creating a PETSc Matrix from given Matrix, solve eigenvalue problem (petsc4py?) 4 October 1, 2019
Krylov solver failing with MPI run / parallel 5 September 29, 2019
How to convert nonlinear operator in FEniCS to PETSc? 1 September 25, 2019
Error implementing a constraint on a 2D crack propagation problem 1 September 17, 2019
PETSC ILU preconditioner not working with mpi run 3 September 5, 2019
Implementing the Newton Method per hand 5 August 26, 2019
Implementing modified equation system for given strain/stress 1 August 26, 2019
Parallel Solver is Slow 6 August 25, 2019
Periodic Solver Divergence 7 August 7, 2019
Pre-Assembling of the matrixes for time-dependent non-linear problems 1 August 1, 2019
MatMatMult of PETSC 3 July 30, 2019
Iterative solver for incompressible solid 2 July 27, 2019
Boundary Condition relative to the Normal direction 3 July 24, 2019
AttributeError: 'module' object has no attribute 'block' 3 July 18, 2019
Orthonormal basis of FunctionSpace 3 July 9, 2019
Default quadrature rule is Keast? 1 July 3, 2019
Implementing Sherman-Morisson/Woodbury matrix formula in Newton solver? 1 June 19, 2019
Non-positive definite matrix & SLEPcEigenSolver 1 June 22, 2019