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MPIchael's user avatar
MPIchael's user avatar
MPIchael's user avatar
MPIchael
  • Member for 5 years, 8 months
  • Last seen this week
  • Bochum, Germany
9 votes

Why would you need frameworks like MPI when you can multi-task using threads?

9 votes

Is LAPACK behind the cutting edge of dense linear algebra?

8 votes
Accepted

What kind of a researcher am I?

7 votes

Why do my satellites fall out of orbit?

6 votes

Starting configuration for Molecular Dynamics

6 votes

What are good particle dynamics ODEs for an introductory scientific computing course?

5 votes

If FEM is exact at the nodes, why do first and second-order elements give very different results?

5 votes

Profiling scientific computing codes on MacOS

5 votes
Accepted

What is good practice for protecting parent scope variables in Fortran?

5 votes

What makes a good computational grid?

5 votes

Speeding up 3 body problem acceleration calculation

4 votes
Accepted

Flux sign and face normal confusion in finite volume method

4 votes

What is the difference between MATLAB and FORTRAN?

4 votes

Computing face fluxes in FVM

4 votes

How do people know the classic Lorenz attractor is actually deterministically chaotic at infinite time?

4 votes
Accepted

Can numerical calculations be accepted as proof/refutation of a mathematical axiom?

4 votes

Efficiency of developing PDE solvers using sparse matrices versus loops

4 votes
Accepted

What are the Exact Rules for Significant Figures, Precision, and Uncertainty?

4 votes

Compute $tr(A^TBC)$ in Python

4 votes

How frequently scientific code uses comparisons NaN == NaN?

3 votes

Equations that are easier to verify than to solve?

3 votes
Accepted

Which optimization algorithm to max a single parameter by searching a landscape of five parameters?

3 votes

What are good particle dynamics ODEs for an introductory scientific computing course?

3 votes

What evidence exists to suggest that computational science produces more information than studying real phenomena as they are?

3 votes
Accepted

Solving $\sum_i^d a_i \exp(-q_i k)=b_0$ for $k$

3 votes

Why FVM can handle unstructured meshes while FDM cannot?

3 votes
Accepted

Solving the pulse propagation using four different FDTD methods gives four different results - Which to trust?

3 votes
Accepted

How to improve and stabilize this code simulating a damped mass-spring oscillator? Runge-Kutta?

3 votes

How to leverage the GPU for parallel 3-body problem computations

3 votes

How can I write a unit test for this routine?