Jed Brown

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Member for 9 years, 11 months

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iterative-method

134/100 score

15/20 answers

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31 posts edited

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277 votes cast

Answers (266)

Votes Activity Newest

54	What are the conceptual differences between the finite element and finite volume method?
50	What are criteria to choose between finite-differences and finite-elements
47	What core skills should every computational scientist have?
43	Why is Newton's method not converging?
32	Are there any famous problems/algorithms in scientific computing that cannot be sped up by parallelisation

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Reputation (24,930)

+60	Higher precision floating-point arithmetic in numerical PDE
+10	Jacobi preconditioner not reducing condition number?
+10	Is PETSc's DMDA relying on undefined behavior?
+10	Why is local conservation important when solving PDEs?

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Questions (13)

Votes Activity Newest

32	Why is local conservation important when solving PDEs?
28	Why is my iterative linear solver not converging?
23	Why is Newton's method not converging?
19	How to determine if a numerical solution to a PDE is converging to a continuum solution?
18	Which methods can ensure that physical quantities remain positive throughout a PDE simulation?

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Tags (134)

366 pde × 48	148 parallel-computing × 20
341 linear-algebra × 51	134 iterative-method × 16
290 petsc × 54	129 multigrid × 17
278 finite-element × 30	128 finite-difference × 21
169 fluid-dynamics × 25	128 krylov-method × 10

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	Computational Science	24,930 rep	3 gold badges66 silver badges126 bronze badges
	Stack Overflow	1,601 rep	17 silver badges25 bronze badges
	Area 51	351 rep	3 bronze badges
	Mathematics	178 rep	6 bronze badges
	MathOverflow	153 rep	5 bronze badges

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Votes cast (277)

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268	up		107	question
9	down		170	answer

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