About the Linear Algebra category


0

489

January 28, 2019

PETsc error code is : 63


2

30

May 24, 2024

Handling Time Terms in Implicit Difference Method


0

29

May 20, 2024

AttributeError: 'petsc4py.PETSc.KSP' object has no attribute 'matSolve'


7

62

April 30, 2024

Copy a numpy matrix into a fencis function


1

83

April 24, 2024

How to define uniform load on edge in 3D


5

953

April 20, 2024

Creating a PETSc Matrix from given Matrix, solve eigenvalue problem (petsc4py?)


4

2848

April 16, 2024

AMG for elasticity problems leaks with PETSc AMG smoothers


3

177

April 12, 2024

SLEPc gives indefinite matrix error


0

104

April 5, 2024

How to create a Matrix (dolfin.cpp.la.Matrix) from Vectors (dolfin.cpp.la.Vector)?


4

2026

March 14, 2024

Compute Null Space of Assembled PETSc Matrix?


1

388

February 21, 2024

Implementing the Newton Method per hand


5

2978

February 20, 2024

Default parameters for NonLinearVariationalSolver


5

314

February 14, 2024

Matrix free petsc solver with multigrid (MG or GAMG) preconditioner


0

134

February 9, 2024

Instability when solving the linear system


2

100

January 24, 2024

How to use multigrid "Trilinos/ml" preconditioner when FEniCSx is installed with condaforge?


6

237

January 11, 2024

Matrix multiplication between ufl shape (2,2) and (2,)


1

168

December 29, 2023

Interpolation matrix with non matching meshes


18

1062

October 24, 2023

Availability of diagonal scaling preconditioner in PETSc


0

155

October 20, 2023

Error with PETSc


4

288

October 4, 2023

Reapplying boundary conditions to the matrix


4

358

October 3, 2023

Solver Nolinear


2

260

August 23, 2023

Problem in solve linear system for a saddle point problem with preconditioners


2

247

July 19, 2023

Setting SNES solver with petsc4py segfaults


8

1289

July 5, 2023

Speeding up eigenvalue computation


2

867

June 29, 2023

Using inner product on non same dimmensional tensor


2

271

May 10, 2023

Grad(u) to numpy array


9

1831

May 7, 2023

Creating a custom PETScSNESSolver


4

944

April 25, 2023

Dot product without assembling vectors every time


6

549

April 12, 2023

How to set the tolerance of a solver


1

1022

April 8, 2023
