an class="w"> </span><span class="p">(</span><span class="n">G_io</span><span class="p">,</span><span class="mi">99004</span><span class="p">)</span><span class="w"> </span><span class="n">hold</span>
<span class="w">         </span><span class="mi">99004</span><span class="w"> </span><span class="k">format</span><span class="p">(&amp;</span>
<span class="w">         </span><span class="p">&amp;</span><span class="s1">&#39; ***** NON-FATAL DIAGNOSTIC--The first input argument (a vector) to MEAN(3f) has all 