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David Ketcheson

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15,240

15.2k
13.4k
11.6k

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98/100 score

17/20 answers

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44

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522/600

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219 posts edited

13 helpful flags

1,106 votes cast

Answers (168)

Votes Activity Newest

45	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)
24	Is it possible to use Octave to learn MATLAB programming?
22	How can I numerically differentiate an unevenly sampled function?

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Reputation (15,240)

+10	Fourth order IMEX Runge-Kutta method
+10	Is this system of diffusion equations well-posed?
+85	Solving ODEs with nonlinear constraints
+10	How well do explicit Runge-Kutta “tableau” methods compare to the state of the art ODE solvers and when do they fail?

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Questions (18)

Votes Activity Newest

91	Is it worthwhile to write unit tests for scientific research codes?
81	Is there a high quality nonlinear programming solver for Python?
43	Is algorithmic analysis by flop-counting obsolete?
40	How to link code to publications
37	Venues for publishing papers that emphasize software

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Tags (118)

319 pde × 60	98 runge-kutta × 14
181 ode × 30	88 time-integration × 20
140 finite-difference × 27	85 stability × 14
125 hyperbolic-pde × 23	71 numerical-analysis × 15
98 fluid-dynamics × 19	71 advection × 7

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Accounts (25)

	Academia	31,971 rep	6 gold badges94 silver badges148 bronze badges
	Computational Science	15,240 rep	2 gold badges44 silver badges100 bronze badges
	Stack Overflow	2,487 rep	2 gold badges21 silver badges25 bronze badges
	MathOverflow	1,087 rep	6 silver badges15 bronze badges
	Mathematics	492 rep	3 silver badges14 bronze badges

Badges (46)

Recent Class Name

Announcer × 10	Popular Question × 10
Yearling × 8	Revival × 6
Nice Question × 16	Good Answer × 4
hyperbolic-pde	Enlightened × 11
Caucus	Nice Answer × 28

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Votes cast (1,106)

all time			by type			month		week
888	up		522	question		1		1
218	down		584	answer		1		1

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