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David Ketcheson

davidketcheson.info
Thuwal, Saudi Arabia
Member for 9 years, 10 months

Reputation

15,828

15.8k
14.9k
13.9k

2018
2019
2020
2021

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99/100 score

17/20 answers

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3

47

102

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Famous Question

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526/600

Impact

220 posts edited

13 helpful flags

1,113 votes cast

Answers (171)

Votes Activity Newest

49	Is it common not to use libraries for standard numerical algorithms, and why?
31	Why is local conservation important when solving PDEs?
28	Strange oscillation when solving the advection equation by finite-difference with fully closed Neumann boundary conditions (reflection at boundaries)
25	How can I numerically differentiate an unevenly sampled function?
25	What are criteria to choose between finite-differences and finite-elements

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Reputation (15,828)

+10	How can I choose a good Riemann solver when numerically solving a system of hyperbolic PDEs?
+10	Puzzling remark about stability region of fifth-order Runge-Kutta method
+10	How can the gravitational n-body problem be solved in parallel?
+10	Is the shooting method the only general numerical method for solving nonlinear boundary value ODEs?

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Questions (18)

Votes Activity Newest

97	Is it worthwhile to write unit tests for scientific research codes?
88	Is there a high quality nonlinear programming solver for Python?
47	Is algorithmic analysis by flop-counting obsolete?
41	How to link code to publications
39	Venues for publishing papers that emphasize software

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Tags (118)

329 pde × 61	99 fluid-dynamics × 19
192 ode × 31	88 time-integration × 20
147 finite-difference × 28	87 stability × 14
131 hyperbolic-pde × 25	72 numerical-analysis × 15
102 runge-kutta × 14	71 advection × 7

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Bookmarks (12)

Votes Activity Newest Views Added

62	C++ vs Fortran for HPC
49	What are criteria to choose between finite-differences and finite-elements
47	What are good ways to document scientific software?
41	What's the state of the art in parallel ODE methods?
34	How do I make sure that the results of my simulations and the results in my paper are always in sync?

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Accounts (26)

	Academia	34,147 rep	9 gold badges100 silver badges156 bronze badges
	Computational Science	15,828 rep	3 gold badges47 silver badges102 bronze badges
	Stack Overflow	3,095 rep	2 gold badges27 silver badges25 bronze badges
	MathOverflow	1,198 rep	6 silver badges16 bronze badges
	Mathematics	557 rep	3 silver badges14 bronze badges

Badges (46)

Recent Class Name

Famous Question × 2	Nice Question × 16
Popular Question × 11	hyperbolic-pde
Good Answer × 6	Caucus
Yearling × 9	Revival × 6
Announcer × 11	Enlightened × 11

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Votes cast (1,113)

all time			by type
894	up		526	question
219	down		587	answer

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