 102, 255);">plot</span>(a);           <span style="font-style: italic;">% a surface</span>, same as <span style="color: rgb(51, 102, 255);">surf</span>(a)<br>&gt;&gt; <span style="color: rgb(51, 102, 255);">plot</span>(a,<span style="color: rgb(204, 51, 204);">'mesh'</span>);    <span style="font-style: italic;">% a wired mesh</span>, same as <span style="color: rgb(51, 102, 255);">mesh</span>(a)<br>&gt;&gt; <span style="color: rgb(51, 102, 255);">plot</span>(a,<span style="color: rgb(204, 51, 204);">'cont