Computational Science Stack Exchange by Kiwix

Q&A for scientists using computers to solve scientific problems

Most popular questions

158 Recommendations for a usable, fast C++ matrix library? 2011-12-12T04:37:23.220

91 Is it worthwhile to write unit tests for scientific research codes? 2011-12-03T17:58:13.287

86 What kinds of problems lend themselves well to GPU computing? 2012-01-23T03:34:55.007

81 Is there a high quality nonlinear programming solver for Python? 2011-11-30T15:10:04.833

75 How much better are Fortran compilers really? 2012-02-04T21:13:52.490

66 What are some good strategies for improving the serial performance of my code? 2012-05-10T20:28:16.900

57 How do I take the FFT of unevenly spaced data? 2012-01-06T23:20:42.833

56 C++ vs Fortran for HPC 2011-12-08T05:41:02.653

56 How mature is the "Julia" scientific computing language project? 2014-02-27T04:34:20.947

54 Is it common not to use libraries for standard numerical algorithms, and why? 2011-12-02T01:02:58.350

52 What core skills should every computational scientist have? 2012-02-02T14:20:04.393

51 What guidelines should I follow when choosing a sparse linear system solver? 2011-11-30T15:02:52.630

50 What are the conceptual differences between the finite element and finite volume method? 2013-08-12T00:48:12.193

46 What are criteria to choose between finite-differences and finite-elements 2011-12-07T20:32:29.440

44 What are good ways to document scientific software? 2011-12-10T10:37:43.847

43 Is algorithmic analysis by flop-counting obsolete? 2011-11-30T20:10:35.450

43 What makes Fortran fast? 2011-12-03T16:57:11.553

43 Functional Programming and Scientific Computing 2013-11-08T17:13:45.407

41 Where can one obtain good data sets/test problems for testing algorithms/routines? 2011-11-30T07:18:55.320

41 Which software and workflow is recommend for publication of scientific data and graphs? 2012-03-15T13:15:04.567

40 How to link code to publications 2012-01-12T14:14:59.723

40 Is it a good idea to use vector<vector<double>> to form a matrix class for high performance scientific computing code? 2012-08-29T05:11:18.273

40 Scientific standards for numerical errors 2012-10-09T16:05:14.243

39 Why is division so much more complex than other arithmetic operations? 2011-12-02T19:59:07.543

39 What's the state of the art in parallel ODE methods? 2013-06-19T16:27:30.213

38 Parallelizing a for-loop in Python 2015-05-07T00:21:50.350

37 What programming paradigms should I be investing in if I want my code to run on petascale machines in the future? 2011-12-01T18:39:00.447

37 Venues for publishing papers that emphasize software 2012-01-12T14:11:18.340

36 Symbolic software packages for Matrix expressions? 2011-11-30T14:05:53.540

36 How does the MATLAB backslash operator solve $Ax=b$ for square matrices? 2012-01-25T16:20:38.820

36 Is it possible to have a career in SciComp without contributing to arms research? 2019-07-18T15:35:17.757

35 What attributes make a figure "professional-quality"? 2011-12-12T01:24:00.923

35 Mathematical Libraries for OpenCL? 2011-12-12T20:11:28.633

35 Are there simple ways to numerically solve the time-dependent Schrödinger equation? 2014-02-07T21:23:46.237

34 How do I make sure that the results of my simulations and the results in my paper are always in sync? 2012-06-14T18:14:46.890

34 What is the simplest way to do a user-local install of a python package? 2012-08-03T16:56:50.377

34 CUDA vs OpenCL as of late 2013 2013-12-19T20:18:02.840

33 How to choose a method for solving linear equations 2012-09-11T02:59:38.553

33 Strange oscillation when solving the advection equation by finite-difference with fully closed Neumann boundary conditions (reflection at boundaries) 2013-03-04T12:52:14.127

32 why is A*v+B*v faster than (A+B)*v? 2020-01-15T21:54:42.387

31 Why is local conservation important when solving PDEs? 2011-11-30T06:16:31.517

31 Performance differences between ATLAS and MKL? 2011-12-03T23:57:38.183

31 Modern resources for learning FEM 2012-02-27T04:01:53.590

31 When should log1p and expm1 be used? 2015-09-02T14:44:54.480

31 What does "symplectic" mean in reference to numerical integrators, and does SciPy's odeint use them? 2018-03-26T05:59:24.400

30 Scientific workflow management system 2012-03-13T15:54:42.913

30 Good examples of "two is easy, three is hard" in computational sciences 2019-05-16T00:08:11.513

29 Does a tiny determinant imply ill-conditioning of a matrix? 2012-02-16T09:46:25.027

29 Where do the laws of quantum mechanics break down in simulations? 2012-04-21T19:54:07.967

29 What is a good way to run parameter studies in C++ 2012-05-08T22:17:15.090

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