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Computational Science

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Question score of 25 or more. This badge can be awarded multiple times.
Awarded 103 times.
Are there any embarrassingly parallel tasks that require a CPU rather than GPU?
Awarded May 21 at 16:02
The easiest way to find intersection of two intervals
Awarded May 10 at 14:18
Libraries for solving sparse linear systems
Awarded Apr 25 at 5:32
What are differences between 'a priori' and 'posteriori' error estimate in numerical analysis?
Awarded Apr 20 at 19:56
Is it possible to use Octave to learn MATLAB programming?
Awarded Dec 3, 2022 at 9:16
Which algorithm is more accurate for computing the sum of a sorted array of numbers?
Awarded Nov 2, 2022 at 15:52
Why are higher-order Runge–Kutta methods not used more often?
Awarded Oct 19, 2022 at 17:56
Is half precision supported by modern architecture?
Awarded Apr 23, 2022 at 16:10
How can I numerically differentiate an unevenly sampled function?
Awarded Dec 12, 2021 at 14:15
Is there a numerical algorithm for finding an asymptotic slope?
Awarded Nov 11, 2021 at 16:42
When is building a cluster in the cloud cheaper than building one in my lab for MD simulations?
Awarded Oct 26, 2021 at 22:26
Is it possible for user written algorithms to outperform libraries' built-in optimized functions?
Awarded Sep 30, 2021 at 9:55
Recommendation for Finite Difference Method in Scientific Python
Awarded Aug 7, 2021 at 1:52
Solving $(G^TA^{-1}G)x = b$ without inverting $A$
Awarded Jul 27, 2021 at 0:53
How to incorporate the boundary conditions with the Galerkin method?
Awarded Jul 16, 2021 at 15:47
Fast, lightweight C++ tensor library for dimension-agnostic code
Awarded May 26, 2021 at 14:31
Define custom probability density function in Python
Awarded Dec 3, 2020 at 1:51
What language should I use when teaching an undergraduate course in computer programming?
Awarded Nov 17, 2020 at 5:26
What is the preferred and efficient approach for interpolating multidimensional data?
Awarded Nov 17, 2020 at 5:26
How to add large exponential terms reliably without overflow errors?
Awarded Nov 17, 2020 at 5:26
What is the principle behind the convergence of Krylov subspace methods for solving linear systems of equations?
Awarded Nov 17, 2020 at 5:26
What are the main differences between PETSc and Trilinos?
Awarded Nov 17, 2020 at 5:26
When should I use C++ expression templates in computational science, and when should I *not* use them?
Awarded Nov 17, 2020 at 5:26
What's the state-of-the-art in highly oscillatory integral computation?
Awarded Nov 17, 2020 at 5:26
What is the purpose of using integration by parts in deriving a weak form for FEM discretization?
Awarded Oct 21, 2020 at 6:55
What software is good to use for parallel debugging?
Awarded Jun 6, 2020 at 20:30
Modern C++ in scientific computing?
Awarded May 13, 2020 at 10:40
Why is the time dimension special?
Awarded Feb 27, 2020 at 2:30
why is A*v+B*v faster than (A+B)*v?
Awarded Jan 18, 2020 at 6:55
Why is my iterative linear solver not converging?
Awarded Nov 26, 2019 at 16:10
What does "symplectic" mean in reference to numerical integrators, and does SciPy's odeint use them?
Awarded Nov 18, 2019 at 11:00
Conservation of a physical quantity when using Neumann boundary conditions applied to the advection-diffusion equation
Awarded Oct 26, 2019 at 17:25
How can the gravitational n-body problem be solved in parallel?
Awarded Aug 27, 2019 at 23:45
Robust algorithm for $2 \times 2$ SVD
Awarded Aug 6, 2019 at 8:35
Is it possible to have a career in SciComp without contributing to arms research?
Awarded Jul 20, 2019 at 2:35
How should I install a Fortran compiler on a Mac? (OS X 10.x, x >= 4)
Awarded May 19, 2019 at 7:10
Good examples of "two is easy, three is hard" in computational sciences
Awarded May 19, 2019 at 0:35
Permute a matrix in-place in numpy
Awarded Mar 15, 2019 at 17:45
Dealing with the inverse of a positive definite symmetric (covariance) matrix?
Awarded Feb 12, 2019 at 18:10
Which package should I use to wrap Modern Fortran Code with Python?
Awarded Dec 4, 2018 at 12:45
Visualizing very large link graphs
Awarded Sep 29, 2018 at 11:55
Is Crank-Nicolson a stable discretization scheme for Reaction-Diffusion-Advection (convection) equation?
Awarded Jul 26, 2018 at 16:00
What is the relationship of BLAS, LAPACK, and other linear algebra libraries?
Awarded Jul 22, 2018 at 12:37
When should log1p and expm1 be used?
Awarded Jul 15, 2018 at 1:30
Fastest Delaunay triangulation libraries for sets of 3D points
Awarded Jun 25, 2018 at 7:10
Method for numerical integration of difficult oscillatory integral
Awarded Jun 22, 2018 at 4:18
Is there software that can autogenerate numerically-accurate floating point C routines from symbolic formulae?
Awarded Jun 21, 2018 at 3:09
BFGS vs. Conjugate Gradient Method
Awarded Jun 21, 2018 at 3:09
Compressing floating point data
Awarded Jun 15, 2018 at 11:55
What is the fastest way to calculate the largest eigenvalue of a general matrix?
Awarded May 23, 2018 at 18:46
Why do equi-spaced points behave badly?
Awarded Apr 19, 2018 at 19:23
Strange oscillation when solving the advection equation by finite-difference with fully closed Neumann boundary conditions (reflection at boundaries)
Awarded Apr 15, 2018 at 18:49
What is the computational cost of $\sqrt{x}$ in standard libraries?
Awarded Mar 30, 2018 at 1:14
How does one test a numerical ODE solver implementation?
Awarded Mar 27, 2018 at 15:15
Parallelizing a for-loop in Python
Awarded Mar 6, 2018 at 20:02
How to choose a method for solving linear equations
Awarded Jan 20, 2018 at 9:47
Does a tiny determinant imply ill-conditioning of a matrix?
Awarded Dec 19, 2017 at 21:23
Is it a good idea to use vector<vector<double>> to form a matrix class for high performance scientific computing code?
Awarded Dec 18, 2017 at 16:50
What is the simplest way to do a user-local install of a python package?
Awarded Nov 2, 2017 at 9:04
Are there any famous problems/algorithms in scientific computing that cannot be sped up by parallelisation
Awarded Jun 19, 2017 at 15:45
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