# [Xy-pic] Changing length of arrow in xymatrix

Thu Oct 2 20:13:37 CEST 2008

```Dear Mr moderator,

You can cacel my previous message.

Regards

On Thu, Oct 2, 2008 at 4:59 PM, Adam # <catcher at stud.umk.pl> wrote:

>  Hello,
>
>     I would like ask if there is any possibility to change length of arrow
> in xymatrix.
>     I will show my problem by simple example:
>
> \$\$\xymatrix at R=1pt at C=1pt{*={a} \ar[rrrr] \ar[dddrrrr] &&&& *={b}\ar[ddd] \\
> &&&& \\
> &&&& \\
> &&&& *={c} }\$\$
>
>      I am using *={}, because i want to have the smallest diagram, so
> without *={} the diagram is to big. The target and source of arrows are
> placed in the center of object a,b,c. Is there any option to make the begin
> and the end of the arrows in the setting of that symbols ?
> I would be very greatful for any sugestions.
>
> Regards