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Ondřej Čertík

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Answers (16)

Votes Activity Newest

38	C++ vs Fortran for HPC
24	F2Py with allocatable and assumed shape arrays
10	Convergence rate of FFT Poisson solver
10	What are criteria to choose between finite-differences and finite-elements
9	An Octree Code in Fortran

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Reputation (2,840)

+10	C++ vs Fortran for HPC
+10	Differences between Gaussian and Slater functions on the quality of the results?
+10	Does the IEEE-754 standard mandate that exp2 is rounded correctly?
+10	Why are “instructions retired” more stable than “cycles” or “task-clock” when using “perf”?

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Questions (16)

Votes Activity Newest

16	Convergence rate of FFT Poisson solver
15	Open source implementation of rational approximation to a function
15	How to to easily reproduce published results in my own articles using my own code
15	How to numerically calculate residues?
13	Is C slower than Fortran on the spectral norm shootout (using gcc, intel and other compilers)?

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Votes Activity Newest Views Added

15	Does transforming $J_0(x)\to\int\cos(x\sin\theta)$ help with numerical integration?
14	PDE solvers for Drift-diffusion and related models

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	Computational Science	2,840 rep	14 silver badges39 bronze badges
	Stack Overflow	721 rep	8 silver badges17 bronze badges
	Physics	560 rep	5 silver badges20 bronze badges
	Mathematics	417 rep	2 silver badges15 bronze badges
	Super User	261 rep	1 silver badge4 bronze badges

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Votes cast (277)

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274	up		96	question
3	down		181	answer

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