[Xy-pic] Setting Braces in XYPic, XYMatrix
Ross Moore
ross.moore at mq.edu.au
Wed Nov 14 21:03:21 CET 2012
Hi Christian,
On 15/11/2012, at 2:21 AM, Christian Guckelsberger wrote:
> Hi there,
>
> I'm new to XYPic, basically I stumbled upon a XYMatrix in a paper which I now have to edit and I'm still very overwhelmed by the elementary syntax.
>
> I want to add three braces to a xymatrix in a xypic environment. Here's how I got so far.
> --
> Now there are two issues:
>
> • I want the braces to span from A to B, C to D and the one at the bottom from F to G. At the moment, they only embrace a single element. How can I do this using the xymatrix [rr] syntax?
>
> • I want to add the label for the bottom brace from below. At the moment, it is still displayed on top.
>
> I also posted the problem on stackexchange. There's also a picture of how it looks like at the moment: http://tex.stackexchange.com/questions/82700/set-braces-in-xypic-xymatrix
You can add those decorations afterwards, using the implicit
names of the matrix cells.
e.g.
\xy
\xymatrix "M"@C=10pt at R=20pt{
&\\
& A_1 & B_2 & C_3 & D_4\\
& E_5 & F_6 & G_7 & H_8
}%
\POS"M2,2"."M2,3"!C*\frm{^\}},+U*++!D\txt{A to B}
,"M2,4"."M2,5"!C*\frm{^\}},+U*++!D\txt{C to D}
,"M3,3"."M3,4"!C*\frm{_\}},+D*++!U\txt{F to G}
\endxy
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With this, you probably do not need the row-spacing to be as large
as you made it ( @R=20pt ).
In the above coding below I added a name "M" for the matrix.
This isn't necessary here, but would be if you wanted to draw
connections between the cells of 2 or more matrices, so it is
a useful technique to know about.
>
> I'm happy about any suggestions concerning this issue!
>
> Thanks very much,
> Christian
Hope this helps,
Ross
------------------------------------------------------------------------
Ross Moore ross.moore at mq.edu.au
Mathematics Department office: E7A-419
Macquarie University tel: +61 (0)2 9850 8955
Sydney, Australia 2109 fax: +61 (0)2 9850 8114
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