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Hauser
  • Member for 10 years, 8 months
  • Last seen more than 3 years ago
69 votes
10 answers
15k views

What are some good strategies for improving the serial performance of my code?

  • 6,861
56 votes
7 answers
7k views

What core skills should every computational scientist have? [closed]

51 votes
5 answers
10k views

What are criteria to choose between finite-differences and finite-elements

  • 3,500
38 votes
7 answers
2k views

What programming paradigms should I be investing in if I want my code to run on petascale machines in the future?

  • 6,861
33 votes
6 answers
30k views

What is the fastest way to calculate the largest eigenvalue of a general matrix?

  • 501
32 votes
4 answers
2k views

Why is local conservation important when solving PDEs?

  • 25.3k
31 votes
4 answers
2k views

What tools or approaches are available to speed up code written in Python?

28 votes
5 answers
5k views

Are there any famous problems/algorithms in scientific computing that cannot be sped up by parallelisation

  • 487
25 votes
5 answers
6k views

What language should I use when teaching an undergraduate course in computer programming?

20 votes
7 answers
1k views

How do I write dimensionally agnostic code?

20 votes
6 answers
6k views

How does one determine the point group of a molecule?

  • 3,085
19 votes
6 answers
1k views

What is the best way to do reproducible research if you need proprietary libraries?

18 votes
3 answers
381 views

What programming strategies can I take for easily modifying algorithm parameters?

  • 289
18 votes
4 answers
630 views

Which methods can ensure that physical quantities remain positive throughout a PDE simulation?

  • 25.3k
17 votes
8 answers
2k views

Is there any open-source or easy-to-access software that can simplify algebraic expressions like $x^{2}+2x+3, x=\sqrt{2}t-1$?

16 votes
2 answers
2k views

(how to) write simulations that run faster?

  • 1,470
15 votes
4 answers
400 views

How to deal with too much data?

  • 842
13 votes
4 answers
2k views

Is C slower than Fortran on the spectral norm shootout (using gcc, intel and other compilers)?

12 votes
1 answer
4k views

Efficient solution of mixed integer linear programs

  • 3,048
12 votes
2 answers
3k views

Newton-based methods in optimization vs. solving systems of nonlinear equations

11 votes
5 answers
763 views

Is it preferable to concentrate on studying math or computation?

  • 3,334
11 votes
6 answers
2k views

What open source tools are available to visualize molecular vibrations?

  • 842
11 votes
4 answers
636 views

Runge-Kutta and Reusing Datapoints

  • 273
10 votes
2 answers
4k views

Meaning of (meta)heuristic methods

  • 1,261
10 votes
4 answers
879 views

How can we evaluate performance of students in computational science courses?

  • 3,483
9 votes
2 answers
2k views

Meaning of search methods and optimization methods

  • 1,261
9 votes
7 answers
1k views

Is there a standard rating system for scientific journal publications?

  • 11.8k
7 votes
2 answers
722 views

is accessing an element in an array slower than accessing a variable?

  • 2,109
7 votes
2 answers
1k views

Solution blows up when using Runge-Kutta to solve simultaneous ODEs for liquid film equations

  • 173
6 votes
4 answers
31k views

Ordering of Eigenvalues and Eigenvectors in MATLAB

  • 211