Hendrik Vogt

18,336 reputation

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Finally I found out what my profile is good for: I can abuse it as a clipboard!

@: Welcome to tex.sx! A tip: you can use backticks `\`` to mark your inline code as I did in my edit.

@: Welcome to tex.sx! A tip: If you indent lines by 4 spaces, then they're marked as a code sample. You can also highlight the code and click the "code" button (with "101010" on it).

@: Welcome to tex.sx! Note that you don't have to (and shouldn't) sign with your name since it automatically appears in the lower right corner of your post.

@: I tidied up your question a bit, hope that's OK.

I think your question is answered [here](). (Possible duplicate?)

@: Can you please add a [minimal example](http://meta.tex.stackexchange.com/q/228/1235) that illustrates your problem?

	18,336 reputation	bio	website		visits	member for	2 years, 8 months
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4h	comment	Using commas in mathematical formulas Please see the comments to the question regarding the `0<a,b<1`.
4h	comment	Using commas in mathematical formulas My point is the `\in`, which I wouldn't use like this. It would be OK with a textual "in".
14h	comment	Using commas in mathematical formulas Can you tell where in the TeXbook Knuth says this? The closest I could find is the recommendation to write `for $x = a$, $b$, or~$c$` and not `for $x = a, b$, or $c$`. I'd not recommend writing `$a$, $b$, \dots, $z \in S$`!
14h	comment	Using commas in mathematical formulas `$0<a$, $b<1$` and $0<a,b<1$ usually mean two different things! Do you mean two separate conditions or one and the same condition for `a` and `b`?
2d	comment	Why is there a \, space at the beginning of the “aligned” environment? Thanks a lot for the update! I guess this is the best answer I can hope for without asking Michael Spivak. Thanks in particular for answering the question I hadn't asked: what the `\null` is doing there. One thing I find very curious: for `\matrix` and `\smallmatrix` there's indeed a `\,` at the end, as the cited text ("around the `\vcenter`") suggests, but for `\aligned` it's not there (which Frank discusses at some length in his nice answer).
2d	accepted	Why is there a \, space at the beginning of the “aligned” environment?
May 17	awarded	Necromancer
May 17	comment	Why is there a \, space at the beginning of the “aligned” environment? I'm curious, did you find something in your dig that looks like an explanation?
May 17	comment	Problem with beamer's \pause in alignments Sorry to ask, but did you test your answer? I get the same problem with `eqnarray`. Moreover, note that I don't use `align` at all, only `cases`.
May 16	awarded	Nice Answer
May 16	revised	What is the use of percent signs (%) at the end of lines? added info about ` %` at Werner's suggestion
May 13	comment	The \bar and \overline commands See also this answer of mine for a `\widebar` command that produces a bar wider than `\bar` and smaller than `\overline`.
May 9	comment	How to print the permutation of {s,u,v,a,t} with LaTeX? @Andrew: Thanks for the explanation! I have to admit that I didn't even have a look at how you insert the `\par` in your code ...
May 9	comment	How to print the permutation of {s,u,v,a,t} with LaTeX? @Andrew: Thanks for the comparison! Did you add a `\par` after every permutation? It becomes about 15% faster if you add a `\par` after every other permutation as I now propose in my answer, probably since the number of pages is cut in half. Of course it would be best if the algorithm would be able add a `\par` near the natural end of the line.
May 9	revised	How to print the permutation of {s,u,v,a,t} with LaTeX? simplified code; note on single tokens
May 8	comment	How to print the permutation of {s,u,v,a,t} with LaTeX? @Andrew: As it should be, the algorithm `\relax`es if you ask it to do so `:-)` As for the `{cd}`: Yes, my version only works for single tokens. So `\newcommand*\tf{34}\permute{ab\tf}` works!
May 8	awarded	Good Answer
May 8	comment	How to print the permutation of {s,u,v,a,t} with LaTeX? @Andrew: For 11 items, my code (with some `\par` added) needs about 4 minutes on my computer `:-)`
May 8	comment	How to print the permutation of {s,u,v,a,t} with LaTeX? @Herbert: You get `TeX capacity exceeded` only because the paragraph becomes too large. If you use `\par`s, then it nicely works with 11 items, too.
May 7	awarded	Nice Answer