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 Post subject: commutative diagramsPosted: Sun, 25 Nov 2007 13:59:01 UTC
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Joined: Sat, 24 Nov 2007 09:46:17 UTC
Posts: 128
If anyone knows about, how to draw commutative diagrams. I got some books from the internet. But Still I couldn't draw.

Do I want to install new package for diagrams? What is the difference about those packages. How do I run those? I can type the document and math equations, but DIAGRAMS.......

Help me to draw commutative diagrams.

dimuk

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 Post subject: Posted: Fri, 30 Nov 2007 17:42:59 UTC
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Joined: Wed, 30 Mar 2005 04:25:14 UTC
Posts: 12103
Location: Austin, TX
I second that motion, I need to draw them as well. I can help the poster a little bit though. If you have MikiTeX and TeXnicCenter at least I can be sure, but the idea is you need the amsmath package and the specific style will be amscd.sty. If you do not have this file in your TeX/LaTeX/amsmath directory you should download it.

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 Post subject: Posted: Sun, 2 Dec 2007 03:50:59 UTC
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I found out how to work them, [url=http://www.ctan.org/tex-archive/macros/generic/diagrams/taylor/]this site's macro[/tex] is perfect.

Here's a sample of a diagram I made using it in case you want a model for the code. I modelled mine after the first diagram he has in his documentation.

Code:
\input{diagrams.sty}

\begin{diagram}
\uTo^{t} &   &            &          &            &                  &           &        &      \\
\HmeetV  & \hLine\HmeetV\rTo^{\alpha}& \HmeetV  \rTo^{\beta}\HmeetV\rTo^{\gamma} &\HmeetV &      \\
\vLine   &   &            &       \ruTo(2,4)   &&\ruTo(2,4)            &           &        &    \\
\HmeetV  &   &            &          &            &                  &           &\HmeetV &      \\
\vLine   &   &                    &                  &            &           &  &&\vLine &      \\
\HmeetV  & \rTo_{\alpha}\HmeetV\rTo_{\beta}\HmeetV\hLine\HmeetV\rTo_{\gamma} &\HmeetV &  \rTo s
\end{diagram}
\label{assoc}
\caption{\textbf{Figure 2.1} Homotopy from $(\alpha\cdot\beta )\cdot\gamma$ to $\alpha \cdot (\beta\cdot\gamma )$}
.

I found that I had to put the "diagrams.sty" macro file in the directory where I had the .tex into which I included it, but I'm sure there's a way to put the macro into the general macro area as well, however if you really need it to work, that's a way that I know has worked for me.

In making them, I also recommend laying it out so that the diagram in the code looks like it does (structurally) on paper. I also recommend the manual on that site, it's very useful for the commands and the like.

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 Post subject: commutative diagramsPosted: Sun, 2 Dec 2007 10:08:47 UTC
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Joined: Sat, 24 Nov 2007 09:46:17 UTC
Posts: 128
Thanks for your hard work. I will try.

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 Post subject: Posted: Sun, 2 Dec 2007 10:11:35 UTC
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Joined: Wed, 30 Mar 2005 04:25:14 UTC
Posts: 12103
Location: Austin, TX
Glad to help. I know how very frustrating this kind of thing gets to be at times (heck, it happened a lot while learning this). Good luck to you!

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 Post subject: Posted: Fri, 14 Dec 2007 05:51:02 UTC
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Location: Austin, TX
Let's continue this here, where it belongs. What exactly is not working?

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