Computational Science

Enlightened

 Enlightened
First to answer and accepted with score of 10 or more. This badge can be awarded multiple times.
Awarded 350 times.
What heuristics can be used to minimize the asymptotic matrix bandwidth of a 5-point Laplacian discretization?
Awarded Dec 3, 2014 at 2:00
What are the relative benefits of using Adams-Moulton over Adams-Bashforth algorithm?
Awarded Nov 30, 2014 at 21:28
Euclidean distance in Octave
Awarded Oct 27, 2014 at 20:31
Puzzling remark about stability region of fifth-order Runge-Kutta method
Awarded Oct 16, 2014 at 17:11
Why should I renormalize physical variables?
Awarded Oct 10, 2014 at 19:29
How to avoid catastrophic cancellation in python function?
Awarded Oct 8, 2014 at 9:15
How to check the correctness of my implementation of a numerical scheme for differential equation
Awarded Oct 8, 2014 at 7:08
Non-conservative implementation implicit Euler
Awarded Sep 10, 2014 at 6:47
What is the current state of polynomial preconditioners?
Awarded Aug 30, 2014 at 20:47
Numerical method for equation solving that works on stochastically computed functions
Awarded Aug 10, 2014 at 19:17
What is the simplest method for solving incompressible Navier-Stokes equations?
Awarded Jun 11, 2014 at 1:44
Is there any way to do "double preconditioning"
Awarded Jun 6, 2014 at 22:04
F2Py with allocatable and assumed shape arrays
Awarded May 11, 2014 at 23:29
What are the advantages/disadvantages of interior point methods over simplex method for linear optimization?
Awarded May 7, 2014 at 21:46
How should I study creating and programming HPC systems?
Awarded Apr 22, 2014 at 1:57
What is the impact of C++11 move semantics in the context of scientific computing?
Awarded Mar 13, 2014 at 21:16
What are the main differences between PETSc and Trilinos?
Awarded Mar 8, 2014 at 18:29
Can diagonal plus fixed symmetric linear systems be solved in quadratic time after precomputation?
Awarded Feb 23, 2014 at 1:05
Conservation of a physical quantity when using Neumann boundary conditions applied to the advection-diffusion equation
Awarded Feb 20, 2014 at 11:00
SVD for finding the largest eigenvalue of a 50x50 matrix -- am I wasting significant amounts of time?
Awarded Feb 11, 2014 at 10:22
Nvidia K20X vs GeForce Titan for GPGPU acceleration
Awarded Feb 9, 2014 at 20:43
Schur's Complement and Inverse of Block Matrices
Awarded Feb 2, 2014 at 10:47
Can a Krylov subspace method be used as a smoother for multigrid?
Awarded Jan 25, 2014 at 0:01
Understanding wall time jitter in MATLAB computations
Awarded Jan 16, 2014 at 21:01
Using fixed point iteration to decouple a system of pde's
Awarded Jan 14, 2014 at 11:05
How to construct a prolongation and restriction operator for an algebraic multigrid solver?
Awarded Jan 7, 2014 at 21:43
Drawbacks of Newton-Raphson approximation with approximate numerical derivative
Awarded Dec 23, 2013 at 4:48
Numerical methods for inverting integral transforms?
Awarded Nov 28, 2013 at 19:02
Functional Programming and Scientific Computing
Awarded Nov 12, 2013 at 13:59
What does Static, Dynamic and Single Dynamic linking mean?
Awarded Nov 5, 2013 at 19:55
Do currently available GPUs support double precision floating point arithmetic?
Awarded Oct 25, 2013 at 6:18
FeniCS: Visualizing high order elements
Awarded Sep 27, 2013 at 19:11
Numerically solving systems of about 100 ODEs
Awarded Sep 22, 2013 at 8:13
Solving a sparse and highly ill-conditioned system
Awarded Sep 10, 2013 at 21:39
Nonlinear wave equation - Finite element or finite difference
Awarded Sep 10, 2013 at 16:41
Binary vs. ASCII file size
Awarded Sep 5, 2013 at 9:43
What is the underlying structure of scientific code performance?
Awarded Sep 4, 2013 at 7:04
Stopping criteria for iterative linear solvers applied to nearly singular systems
Awarded Sep 2, 2013 at 18:18
Method for numerical integration of difficult oscillatory integral
Awarded Aug 20, 2013 at 18:02
What are the conceptual differences between the finite element and finite volume method?
Awarded Aug 12, 2013 at 11:26
Pressure as a Lagrange Multiplier
Awarded Aug 6, 2013 at 20:27
What's the state of the art in parallel ODE methods?
Awarded Jun 30, 2013 at 21:13
Comparison of iteration methods: number of iterations vs. cpu time
Awarded Jun 18, 2013 at 21:05
Can MPI messages be prioritized?
Awarded Jun 5, 2013 at 18:26
CFD: Does order of time stepping scheme affect steady state solution? If yes why?
Awarded Jun 4, 2013 at 6:00
How to discretize the advection equation using the Crank-Nicolson method?
Awarded May 30, 2013 at 8:16
Can the advection equation with variable velocity be conservative?
Awarded May 21, 2013 at 16:06
Why is it difficult to numerically solve multi-electron time-dependent Schrödinger's equation
Awarded May 21, 2013 at 9:44
What is pseudo time-stepping?
Awarded May 15, 2013 at 9:22
What's the state-of-the-art in highly oscillatory integral computation?
Awarded May 14, 2013 at 12:11
What are the efficient, accurate algorithms for evaluation of hypergeometric functions?
Awarded May 14, 2013 at 4:13
Is there a high quality nonlinear programming solver for Python?
Awarded May 10, 2013 at 17:01
Which language should I learn for computational science?
Awarded May 8, 2013 at 17:42
Why do equi-spaced points behave badly?
Awarded May 7, 2013 at 20:13
How is the SVD of a matrix computed in practice
Awarded May 2, 2013 at 13:51
How to address numerical non-associativity for parallel reduction?
Awarded Apr 17, 2013 at 1:02
FEM: singularity of the stiffness matrix
Awarded Apr 7, 2013 at 12:59
How can wavelets be applied to PDE?
Awarded Mar 26, 2013 at 23:18
When should implicit methods be used in the integration of hyperbolic PDEs?
Awarded Mar 18, 2013 at 18:32
Strange oscillation when solving the advection equation by finite-difference with fully closed Neumann boundary conditions (reflection at boundaries)
Awarded Mar 7, 2013 at 1:34
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