{2}=1; b{2}=1.5; c{2}=3; d{2}=5;  <span style="font-style: italic;">% assign a new 2D axis single value to each 1D objects</span><br>&gt;&gt; <span style="color: rgb(51, 102, 255);">plot</span>([a b c d],<span style="color: rgb(204, 51, 204);">'surf'</span>);            <span style="font-style: italic;">% plot all as a set of lines side by side</span><br>&gt;&gt; <span style="color: rgb(51, 102, 255);">waterfall</span>([a b c d])               % same as above<br>&gt;&gt; <span style="color: rgb(51, 102, 255