e 498.757182</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> iter  20 value 379.018312</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> iter  30 value 357.085160</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> iter  40 value 349.205828</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> iter  50 value 349.105470</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> final  value 349.105316 </span>
<span class="r-out co"><span class="r-pr">#&gt;