Aug
25
awarded Popular Question
Aug
18
accepted How to loop over all data sets (and determine their number of columns)?
Aug
18
revised How to loop over all data sets (and determine their number of columns)?
added 924 characters in body
Aug
18
comment How to loop over all data sets (and determine their number of columns)?
Hi nico, thanks for helping. I definitely forgot require (I actually had used it before) and messed up the for loop. But if I run your version, I get Error in eval(expr, envir, enclos) (from #6) : object 'delta' not found and many warnings that data sets are not found. I guess it's because of the data sets themselves are named differently and there strsplit() doesn't necessarily return the right name, but I guess there is not much one can do... I also had a look at jeremycg's suggestion and then combined your two solutions (still not perfect but at least it runs through), see my update
Aug
17
asked How to loop over all data sets (and determine their number of columns)?
Aug
11
awarded Notable Question
Aug
5
awarded Popular Question
Aug
5
comment Can arrows() draw an arrow head only?
That's a nice 'hack', exactly what I was looking for, thanks a lot. Can you formulate it like an answer so that I can accept it?
Aug
5
asked Can arrows() draw an arrow head only?
Jul
21
comment How to generate a (valid) PDF with "a2ps foo.txt"?
@fd0 No, but user3439894 explanation helped.
Jul
21
comment How to generate a (valid) PDF with "a2ps foo.txt"?
Thanks, that's very informative. I didn't know that Linux 'tricked' me here...
Jul
21
accepted How to generate a (valid) PDF with "a2ps foo.txt"?
Jul
21
asked How to generate a (valid) PDF with "a2ps foo.txt"?
Jun
25
awarded Popular Question
Jun
23
comment How to put symbols of equal size on top of each other?
Thanks egreg. I just realized: if one of the symbols is much wider than the other, they will not be vertically aligned anymore. Is there a way to get them automatically vertically aligned?
Jun
23
accepted How to put symbols of equal size on top of each other?
Jun
22
awarded Self-Learner
Jun
22
comment How to put symbols of equal size on top of each other?
excellent, not it works. There was a spurious space between the # and the 3 when it appeared for the second time.
Jun
22
comment How to put symbols of equal size on top of each other?
Hi, using this, I obtain Illegal parameter number in definition of \ou. Does it work for you?
Jun
22
comment How to put symbols of equal size on top of each other?
I tried to adapt it (with a 3rd argument for the space): \newcommand*{\ou}[3]{\mathrel{{\ooalign{\hss\raisebox{#3}{#1}\hss\cr\raisebox{-{#3}}{#2}}}}} and then called it with a\ou{>}{<}{0.5ex}0. Do you know how to get the 'negative sign' to work correctly? One could probably define a length and then set the corresponding negative length correctly, but that seems a bit tedious.
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