[Xy-pic] xymatrix and matrix

[Ross Moore]

Hello Aleks,

On 20/03/2011, at 2:49 PM, Aleks Kleyn wrote:

> I want combine diagram of mappings with some notes in one equations. The code
> \[
> \begin{matrix}
> \xymatrix
> {
> \ShowSymbol{affine space, division ring}:
> D\ar[r]|{*}^{f_{1,2}}&
> \Vector V\ar[r]|{*}^{f_{2,3}}&
> \Vcirc
> }

Please provide your complete preamble, so we can tell
how some of the macros that you use are defined.


> &
> \begin{array}{r@{\,}l}
> f_{1,2}(d):&\Vector v\rightarrow d\ \Vector v
> \\
> f_{2,3}(\Vector v):&A\rightarrow A+\Vector v
> \end{array}
> \end{matrix}
> \]
>  
> creates very good image. However code
> \[
> \begin{matrix}
> \xymatrix
> {
> D\ar[r]|(.4){*}^{f_{1,2}}&
> A\ar[r]|{*}^{f_{2,3}}&
> A
> \\
> &&D\ar[u]|{*}_{f_{1,2}}
> }
> &
> \begin{array}{r@{\,}l}
> f_{1,2}(d):&v\rightarrow d\,v
> \\
> f_{2,3}(v):&w\rightarrow g(v, w)
> \\
> g&\in\mathcal L(A^2;A)
> \end{array}
> \end{matrix}
> \]
>  
> has extra line before diagram. The picture looks little shifted. I will appreciate any idea to improve image.
> Aleks Kleyn
> http://sites.google.com/site/AleksKleyn/
> http://arxiv.org/a/kleyn_a_1 
> http://AleksKleyn.blogspot.com/



Hope this helps,

	Ross

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Ross Moore                                       ross.moore at mq.edu.au 
Mathematics Department                           office: E7A-419      
Macquarie University                             tel: +61 (0)2 9850 8955
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