span class="comment">%axis([-4.5 4.5 -4.5 4.5])</span>
axis([-5 5 -5 5])
set(gca,<span class="string">'Xtick'</span>,[]);
set(gca,<span class="string">'Ytick'</span>,[]);
axis <span class="string">off</span>, hold <span class="string">off</span>
<span class="comment">% print -deps Adesign.eps</span>

<span class="comment">% E-optimal design</span>
<span class="comment">%</span>
<span class="comment">%      minimize    w</span>
<span class="comment">%      subject to  sum_i lambda_i*vi*vi' &gt;= w*I</span>
<