# All Questions

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24 views

### Which users here use the chat?

The chat room has been largely empty for more than a year. Since December 2019 the room has mainly been used by myself, uhoh, and David Z to post questions from other sites which would be of interest ...
76 views

### Stack Exchange switches to CommonMark. Computational Science SE: 2020-06-17

At the beginning of June 2020, Stack Exchange decided to switch the markdown rendered to CommonMark. The developers' team wrote migration scripts so that the rendering of the existing posts should ...
31 views

### Sandbox for Drafts and Complex edits

The sandbox on Computational Science SE Meta is intended for saving drafts of long and complex posts. It serves to localize prevent numerous front-page "bumps" of the main Computational Science SE ...
23 views

### Private Beta Site: Materials Modeling

If this is off-topic, I can take it down, but I think its valuable to support other science sites in the network. Materials Modeling SE entered private beta at the end of April. The site aims to ...
85 views

### Community Promotion Ads — 2020

You lost your “beta” label in 2019, so welcome to your very first edition of Community Promotion Ads, for the year of 2020! What are Community Promotion Ads? Community Promotion Ads are community-...
24 views

### Would this question be on-topic here? Might it be likely to receive an answer?

I'm writing a program and need a way to identify and enumerate the number of possible distinct crystallographic domains when depositing one 2D lattice on top of another. I've posed this as a question ...
41 views

### 2019: a year in moderation

It's New Year's Day in Stack Exchange land... A distinguishing characteristic of these sites is how they are moderated: We designed the Stack Exchange network engine to be mostly self-regulating, ...
50 views

### What SE community would best address recommended GPU hardware/software for general scientific computation?

While Computational Science did address a highly upvoted question about which types of computation lend themselves to using GPU resources, I'm reluctant to push the boundary into specific hardware ...
170 views

### Congratulations, you're no longer in Beta!

This site started private beta before July 2012, so it is no longer "beta", it is a full site by our definition. We've removed the word "beta" from your site banner because we believe that you aren't ...
52 views

### How can I improve my question?

I wonder what improvements to my question could be made. Since it got some views, but no comments that ask for further details. It is aimed towards the readers of a certain book of which some ...
50 views

48 views

### arXiv trackbacks from Computational Science SE - are possible!

A very long time ago, a feature for providing arXiv trackbacks has been requested. There is also a highly upvoted Meta StackExchange discussion, requesting the same functionality. Unfortunately, it ...
249 views

### June 2019 tag clean-up initiative

On June 22, (anticipated lowest activity on the website), the required edits\retagging bumped a lot of questions to the main page. Last time it happened a couple of years ago when this activity was ...
128 views

### 2019 Community Moderator Election Results

Computational Science's first moderator election has come to a close and the new moderator is: They'll be joining the existing crew shortly—please thank them for volunteering, and share your ...
17 views

### 2019 Community Moderator Election

The 2019 Community Moderator Election is now underway! Community moderator elections have three phases: Nomination phase Primary phase Election phase Most elections take between two and three weeks,...
43 views

### What would be a good frequency for a tag clean up?

What is considered to be a good frequency to do a tag clean up? I've initiated something like that two years ago with Geoff Oxberry. Actions to be considered: Identify misspelled tags and correct ...
37 views

One parameter that gets evaluated in the process of graduation of a beta site to a full-blown StackExchange site is the number of unanswered questions. According to Area51, this is now 80% ("Needs ...
214 views

### Announcing a moderator election

Summary: Computational Science Stack Exchange will begin the nomination stage for a special election on May 6 to bring in one more moderator. For full details of the process, see the announcement on ...
32 views

### 2018: a year in moderation

It's New Year's Day in Stack Exchange land... A distinguishing characteristic of these sites is how they are moderated: We designed the Stack Exchange network engine to be mostly self-regulating, in ...
37 views

### Are software-recommendation questions on topic here?

The question Is there an alternative to SIMION? was posted recently on the physics site. It sounds like something that may be better suited for this community, but I'm not sure to what extent software-...
66 views

### Canonical question on updating matrix inverses and factorizations

The question "given the inverse/a certain factorization of $A$, can I compute cheaply one of $A+B$?" is one that gets asked a lot here, in slightly different forms: for instance when $A$ is symmetric, ...
408 views

### Revisiting our off-topic policy

I've been meaning to post this question for a while, but only now got around to it. Over the last year or two, it has been my observation that a) the rate of (good) new questions has decreased ...
61 views

### Is my Math.SE question on numerical method error more relevant on SciComp?

Here is the question: link. If it's a better fit, I'll ask the Math.SE mods to migrate it. I suppose this meta question could be about the more general case about posting here vs on Math.SE when the ...
188 views

### Do we need a separate site for “researchers”?

Does this proposal define a new site beyond Computational Science, not to mention Server Fault, Super User, Linux, and our other computing sites? Research Computing (proposal link) for research ...
395 views

### Efficiency vs. performance

In short, what is the difference between the efficiency and performance tags? Are they different enough to keep them separate or should one be a synonym of the other? According to Wikipedia, ...
40 views

### Firefox offline “reader view” to show whole scicomp page, including answers

Firefox android has a "reader view", based on readability.js, that is the only way for it to save a page for offline browsing. (You first click the stylized-book icon within the address bar at the ...
110 views

### Add “Cross-posting” as a standard reason to close the question

Often, people ask the same question on multiple StackExchange websites. While this might be sometimes fine (a question did not get enough attention, the posts are cross-linked, some time has passed ...
78 views

### Users are indexed as sitemaps by Google Search

Is it possible to put up proper sitemaps for Google search, instead of some random users?
89 views

### Questions “poked” by Community

The algorithm run by "Community" to elevate certain questions to the top of the list seems seriously flawed IMHO. The description of its tasks includes: "Randomly poke old unanswered questions every ...
261 views

### Custom off-topic close reason for programming question

With some frequency, we get questions that are purely about programming (such as "What's wrong with my loop?" or "How do I read from a file?") and thus rightly voted on to close as off-topic -- but ...
51 views

### How do I know if PCA question related to scipy belonged here or on stats.overflow?

I just asked a question about PCA and scipy's implementation of PCA compared to mine. You can find it here: https://stackoverflow.com/questions/38799205/why-are-my-manual-pca-reconstructions-not-...
92 views

### Is the use of @ directing my comments?

I've posted a few comments in response to other users and tried to use the @ notation to direct my comment to a specific user. This works on other stackexchange sites but I'm wondering if it works ...
154 views

### Add “Insert citation” button to editor window

Last year, MathOverflow has added a pretty nifty "Insert citation" button to the markdown editor, which is very handy for inserting links to (mathematical) papers or books one wants to mention in ...
61 views

### How to differentiate when to ask question about Machine Learning topics in Cross validate or Computational Science

From the description of cross validate and computational science it seems that cross validate is the correct site to ask question about Machine learning? Am I right to say that? Or what site is better ...
92 views

### (Mis)use of the matrix-equations tag

I do research in matrix equations, which (at least in my field) is commonly accepted to mean "equations whose unknown is a matrix, such as an algebraic Riccati equation $A^*X+XA+Q-XGX=0$, everything ...
51 views

### Update of a question

I asked a question and and I got an answer on the question. Now I have a small related question. Should I make a new question post? If I edit my original question with the new small question, will the ...
64 views

### OpenFOAM SE Proposal

As there are many people on scicomp interested in CFD applications, I want to announce to you all that there is an active proposal on SE for OpenFOAM. OpenFOAM is a widely used open-source C++ based ...
57 views

### Are questions about Globus on-topic?

Globus is a toolkit for moving large amounts of scientific data between clusters or to local machines. It's designed and mostly used for scientific computing. Questions about tools are generally on-...
90 views

### Computer-algebra tag?

Are questions about implementation of specific tasks in specific computer algebra systems on-topic here? If so, can we create a computer-algebra tag? Context: I have been feeling around on the ...
68 views

### Can I ask this question: Is there any aspect of a nuclear weapon test that cannot be simulated using super computers?

Nuclear weapons tests are experiments carried out to determine the effectiveness, yield, and explosive capability of nuclear weapons. However, these days most nuclear weapon states uses Super ...
56 views

### Would it be okay to ask a PETSc installation related question?

I asked this question on StackOverflow, but it's probably not the right audience, since it has only received 2 views as of my posting this question. I am wondering if it would be okay to ask this on ...
79 views

### Log-out on Computational Science

Is it possible to log out from this website? I am trying to find the log out button - but not very successfully.
52 views

### Can I ask a question related to various tools used in Robotic Process Automation?

Basically, I need to know what are the various tools, technologies that are used in Robotic Process Automation.
95 views

### Is my question on topic?

I have a collection of rectangular matrices which consists of a set of points with associated values. I need to copy this rectangular matrix into a square matrix. The values that get "left out" can be ...
71 views

### How to know if my question is appropriate for this site? And How to get attention to my question?

I posted a question here . But unfortunately, it didn't get any answers. I wondered may be this question is more appropriate for math.stackexchange. But I feel it's related to site. How can I know ...
132 views

### Let's get critical: Apr 2015 Site Self-Evaluation

We all love Computational Science Stack Exchange, but there is a whole world of people out there who need answers to their questions and don't even know that this site exists. When they arrive from ...
66 views

### Questions on/off topic: computation software file i/o?

Is this sort of question off topic? Does Gaussian 09 keep a log of submitted jobs? If so where is the file located? I realize this is not strictly about ...
131 views

### Is bioinformatics a on-topic here?

Are bioinformatics questions on-topic on this forum? Or is there a .stackexchange forum more dedicated to bioinformatics?