 is to assemble the 1D objects
into a 2D object, and then define the new axis values:<br>
<pre style="margin-left: 40px;">&gt;&gt; e=<span style="color: rgb(51, 102, 255);">cat</span>(2, [a b c d]);               <span style="font-style: italic;">% catenate 1D objects into a 2D object along 2nd axis </span><br>&gt;&gt; e{2} = [ 1 1.5 3 5 ];              <span style="font-style: italic;">% assign 2nd axis values in one go</span><br>&gt;&gt; <span style="color: rgb(51, 102, 255);">plot</span>(e,<span style="c