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2 votes

4 answers

179 views

Maximizing $\operatorname{Tr}(X)$ subject to $XX^T=I$ and $AX=B$ constraints

Royi

437

modified 11 hours ago

0 votes

1 answer

23 views

How to properly apply boundary conditions to Discontinuous Galerkin methods to equations with only source terms?

helloworld922

2,834

answered 13 hours ago

2 votes

1 answer

83 views

Solving advection-diffusion equation on non-rectangular domain

Maxim Umansky

2,645

modified 17 hours ago

1 vote

1 answer

61 views

Imposing optimization constraints on linked variables

Laurent90

1,953

modified 2 days ago

3 votes

1 answer

134 views

Why do different ODE solvers give very different solutions to this problem?

David Ketcheson

16.8k

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2 votes

0 answers

57 views

Wilkinson Shift making QR iterations not converge?

Anton Menshov♦

8,712

modified Sep 24 at 13:09

9 votes

3 answers

1k views

Numerical integration of ODEs: Why does higher accuracy and precision not lead to convergence?

whpowell96

3,016

modified Sep 23 at 17:19

0 votes

0 answers

51 views

Improving convergence rate of krylov schur iterations?

Thijs Steel

1,795

modified Sep 23 at 6:54

1 vote

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Boundary Value Problem for an Indeterminate Beam using Finite Difference Method

user50926

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modified Sep 22 at 20:09

0 votes

1 answer

51 views

Bad numerical solution in a Finite Element code implementing Taylor--Hood method to solve the stationary Stokes problem

Wolfgang Bangerth

56.3k

answered Sep 22 at 4:46

0 votes

2 answers

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Diagonal and Upper-Triangular pre-conditioning for Jacobi

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answered Sep 21 at 20:12

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1 answer

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Solve Large Scale Underdetermined Linear Equation with per Element Equality Constraint

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modified Sep 21 at 13:46

0 votes

0 answers

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Rayleigh iterate function in Python

Peter

1

modified Sep 21 at 8:39

3 votes

1 answer

798 views

Suggestions for scientific computing projects to undertake to sharpen core skills

Peter

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modified Sep 21 at 8:26

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Maximizing $\operatorname{Tr}(X)$ subject to $XX^T=I$ and $AX=B$ constraints

How to properly apply boundary conditions to Discontinuous Galerkin methods to equations with only source terms?

Solving advection-diffusion equation on non-rectangular domain

Imposing optimization constraints on linked variables

Why do different ODE solvers give very different solutions to this problem?

Wilkinson Shift making QR iterations not converge?

Numerical integration of ODEs: Why does higher accuracy and precision not lead to convergence?

Improving convergence rate of krylov schur iterations?

Boundary Value Problem for an Indeterminate Beam using Finite Difference Method

Bad numerical solution in a Finite Element code implementing Taylor--Hood method to solve the stationary Stokes problem

Diagonal and Upper-Triangular pre-conditioning for Jacobi

Solve Large Scale Underdetermined Linear Equation with per Element Equality Constraint

Rayleigh iterate function in Python

Suggestions for scientific computing projects to undertake to sharpen core skills

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