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 366.584744</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> iter  20 value 350.039458</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> iter  30 value 348.872670</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> iter  40 value 348.764828</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> iter  50 value 348.762843</spa