getting curly snake like arrow with xymatrix using lyx

2011-10-17 Thread Alberto Alcalá Alvarez
when writing the code \ar @{{˜}>} I keep getting the message: "dir not defined", so I went to the manual and saw some examples for defining tips of arrows, and wasnt able to get it right for the shaft  ~  , I already tried other things like \ar @{{}˜>} , \ar @{{}~>} and the like, and at some poi

spacing objects and arrows in xymatrix diagrams

2011-10-16 Thread Alberto Alcalá Alvarez
hello, I'm trying to get the following done, using the xymatrix command: I have a diagram with a >>--->> arrow going down, but the tail of the arrow, >>, gets overlapped with the name of the origin of the arrow, so my question is if there is a way to save some space between the name of the origi

Xy-pic command doesn't seem to work (bis)

2011-09-16 Thread Alberto Alcalá Alvarez
Sorry, in my last e-mail, I missed the @-sign just before the braces of the arrow modifier... I still can't get it to work. I even tried copying code from the manual directly into lyx.Please help me out! \xymatrix { B \ar[r] &R} types out:       B  ---> R   while \xymatri

Xy-pic command doesn't seem to work

2011-09-13 Thread Alberto Alcalá Alvarez
\xymatrix { B \ar[r] &R} types out:       B  ---> R   while \xymatrix { B \ar {-->} [r] & R}does something like       B>^[r]     RI already tried several combinations for spaces and brackets and even tried other arrow modifiers, checked the XY-guide and the XY tutorial, yet I can't get t