<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div>Le 17 avr. 2011 à 21:48, Lee D. Witt a écrit :</div><blockquote type="cite"><p>Have you tried "alignat"? You specify the number of "columns" to align. If you want to align n columns use 2n-1 &s</p>
</blockquote><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 13px/normal Monaco; ">\begin{alignat}{5}</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 13px/normal Monaco; ">u &=0 & \quad\text{or}\quad && u+4 &=0 & \quad\text{or}\quad && u-4 &=0 \\</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 13px/normal Monaco; ">u &=0 &&& u &=-4 &&& u &=4 \\</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 13px/normal Monaco; ">\log x &=0 &&& \log x &=-4 &&& \log x &=4</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 13px/normal Monaco; ">\end{alignat}</div><div><br></div><div>Bruno</div></div><br></body></html>