lacian of the surface
(curvature):<br>
<pre style="margin-left: 40px;">&gt;&gt; a = <span style="color: rgb(51, 102, 255);">iData</span>(peaks); <br>&gt;&gt; h = <span style="color: rgb(51, 102, 255);">subplot</span>([ a a ]); <br>&gt;&gt; <span style="color: rgb(51, 102, 255);">caxis</span>(<span style="color: rgb(51, 102, 255);">del2</span>(a),h(2));	<span style="font-style: italic;">% we map the Laplacian onto the second plot</span><br></pre>
The initial object is shown in the upper panel, whereas the re