About the Linear Algebra category


0

505

January 28, 2019

Elementwise multiplication in variational form / Hadamard product


1

11

September 9, 2024

Save and load the LU factorization results of a PETSc KSP direct solver


2

17

August 29, 2024

Linear solver change


1

24

August 18, 2024

Effective elasticity tensor


2

50

July 8, 2024

Interpolation matrix with non matching meshes


23

1309

July 5, 2024

Using petsc4py.PETSc.SNES directly


23

4235

June 13, 2024

PETsc error code is : 63


5

102

May 28, 2024

Handling Time Terms in Implicit Difference Method


0

56

May 20, 2024

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


7

119

April 30, 2024

Copy a numpy matrix into a fencis function


1

129

April 24, 2024

How to define uniform load on edge in 3D


5

998

April 20, 2024

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


4

2947

April 16, 2024

AMG for elasticity problems leaks with PETSc AMG smoothers


3

244

April 12, 2024

SLEPc gives indefinite matrix error


0

169

April 5, 2024

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


4

2116

March 14, 2024

Compute Null Space of Assembled PETSc Matrix?


1

449

February 21, 2024

Implementing the Newton Method per hand


5

3104

February 20, 2024

Default parameters for NonLinearVariationalSolver


5

487

February 14, 2024

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


0

191

February 9, 2024

Instability when solving the linear system


2

116

January 24, 2024

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


6

303

January 11, 2024

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


1

231

December 29, 2023

Availability of diagonal scaling preconditioner in PETSc


0

177

October 20, 2023

Error with PETSc


4

328

October 4, 2023

Reapplying boundary conditions to the matrix


4

413

October 3, 2023

Solver Nolinear


2

298

August 23, 2023

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


2

279

July 19, 2023

Setting SNES solver with petsc4py segfaults


8

1336

July 5, 2023

Speeding up eigenvalue computation


2

939

June 29, 2023
