eights:  56 (39 variable)</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> initial  value 749.985249 </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> iter  10 value 506.221433</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> iter  20 value 384.250118</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> iter  30 value 360.830019</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> iter  40 value 355.452252</span>
<span class="r-out co"><span cla