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Should there be a tag for Gaussian elimination?

It’s a reasonably common question topic, presumably since it’s a standard part of the math curriculum at many universities (and also lends itself particularly well to homework problems). Searching for it shows over 500 existing questions — more questions than about 6/7 of existing tags have.

The previous meta question New tags: when? unfortunately doesn’t give much guidance, apart from “if not sure, ask Meta”.

(Prompt for asking: I just asked a new question about Gaussian elimination/Smith normal form, and couldn’t find any tags better than the very wide-ranging and .)

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    $\begingroup$ I think this would be a good tag (especially if there are 500 existing questions with this topic, which is a lot in my opinion). $\endgroup$ – Prism Dec 19 '13 at 7:29
  • $\begingroup$ If a tag is created, will Gauss-Jordan elimination be a synonym? (So that the people more familiar with the name Jordan elimination will see the tag if they start typing the word Jordan.) $\endgroup$ – Martin Sleziak Dec 19 '13 at 9:14
  • $\begingroup$ I see that the tag (gaussian-elimination) has been already created. It might be worth mentioning here. $\endgroup$ – Martin Sleziak Dec 20 '13 at 14:40
  • $\begingroup$ @MartinSleziak: yep — after getting support from the earlier comment and answer, I created the tag and started by retagging a few existing questions. $\endgroup$ – Peter LeFanu Lumsdaine Dec 20 '13 at 17:21
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As you've said in your post, a search brings up 517 questions related to Gaussian elimination. I concur that creating the tag would be a good idea, with the caveat that only a few questions should be edited to add the tag at a time (so as not to clutter the front page with dozens of old posts that are simply being retagged).

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