created with the <a href="spset.html"><code>spset</code></a> function.
    <p>
		 <b>Remark.</b> Note that <code>spgrid</code> only computes the grid points that are <b>added</b> to the interpolant at level <code>N</code>.
		<h2>Examples</h2>
Compute the grid points of the Clenshaw-Curtis (default) grid for the first 3 levels (<tt>n = 0..2</tt>), dimension <tt>d = 2</tt>, and display them:
         </p><pre class="codeinput">d = 2;
<span class="keyword">for</span> n = 0:2
  x = spgrid(n,d)
<span class="keyw