<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; ">Thanks Juergen,<DIV>That works fine.</DIV><DIV>For Herbert it's a bug of psmatrix.</DIV><DIV>With many thanks.</DIV><DIV>Denis Vergès<DIV><BR><DIV><DIV>Le 20 juin 07 à 07:57, Juergen Gilg a écrit :</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"> <FONT face="Myriad Pro">Hi Denis,<BR> <BR> i don't know why, but try this:<BR> <BR> \begin{psmatrix}[mnode=circle]<BR> & & & A& & &[mnode=none] \\<BR> &R$_{1}$ & & & &R$_{8}$ &[mnode=none] \\<BR> &R$_{2}$ & & &R$_{9}$ &R$_{10}$ &R$_{11}$\\<BR> R$_{3}$ &R$_{4}$ &R$_{5}$ & & &R$_{12}$ &R$_{13}$\\<BR> &R$_{6}$ & & &R$_{14}$ &R$_{15}$ &[mnode=none] \\<BR> &R$_{7}$ & & &R$_{16}$ & &[mnode=none] \\<BR> & & & & &R$_{17}$ &[mnode=none] \\<BR> & & & &R$_{18}$ & &[mnode=none] \\<BR> & & &B & & &<BR> \end{psmatrix}<BR> <BR> Regards,<BR> <BR> Juergen<BR><FONT class="Apple-style-span" face="Helvetica"><BR class="khtml-block-placeholder"></FONT></FONT> </BLOCKQUOTE></DIV><BR></DIV></DIV></BODY></HTML>