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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?


Jul
26
awarded  Nice Question
Jul
20
awarded  Nice Answer
Jul
2
awarded  Nice Question
Jun
30
comment Can I get a \widebar without using the mathabx package?
@Darling: You could ask a new question, referring to this answer.
Jun
30
comment Negative phantom
@Fictional: Yes, that's correct. And I wrapped the whole thing into a \mathop so that before and after it you also get the same spacing as for \cos.
Jun
25
comment Negative phantom
I probably wouldn't do it, but in this situation you could use \mathop{\rlap{$\sin$}\hphantom{\cos}} instead of a negative phantom.
Jun
18
comment Why \allowbreak is not working?
Note that, by default, there's no stretching or shrinking of the spaces after commas (\thinmuskip) in math.
Jun
11
awarded  Popular Question
Jun
8
answered Update matrix entries in beamer
Jun
7
comment Drawbacks of redefining math accents with extra leading {}?
@Bruno: The \tilde{b}'_i^2 is the only example so far that I might find convincing; I didn't have time to think about it yet. By the way, I agree with egreg about the "prime squared": in the sixth line of your example, it clearly looks as if the prime is squared (even if the TeX markup speaks diffenrently). A simple \tilde{b}'^2 is much better.
Jun
6
comment Drawbacks of redefining math accents with extra leading {}?
@Bruno: It would be great if you could think up such a case and add it to the question! (I've deleted my previous comment as it was obsolete.)
May
31
awarded  Nice Answer
May
31
awarded  Good Answer
May
28
comment How are big operators defined?
Very nice application of \scalerel!
May
28
awarded  Nice Answer
May
27
comment Automatically replace all |foo| with \abs{foo}
@Predrag: Thanks for pointing this out. You're right, it has to be gawk, which my machine uses if I ask for awk. Unfortunately I can't edit my comment.
May
27
comment Automatically replace all |foo| with \abs{foo}
Try gensub: awk '{print gensub(/\|([^|]*)\|/, "\\abs{\\1}", "g", $0)}'
May
26
comment Multiline equation with cases
@Marco: Finally I see the effect of the 4mm: the choice influences whether the whole construction will be centered in the math display. With 4mm it's not because the brace construction is wider than that. It's not so nice that the user has to care about this number.
May
26
comment Multiline equation with cases
@Marco: Hmm, OK. By the way, I noticed that bigdelim unfortunately doesn't take into account the \arraystretch (which is 1 in your case, so the output is great).
May
26
comment Multiline equation with cases
@Marco: Ah, thanks. May I ask why you chose 4mm for the width?