><span class="pre">numpy.ndarray</span></code>) Value of the kernel matrix for item.</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="mklaren.kernel.kinterface.Kinterface.diag">
<code class="descname">diag</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#mklaren.kernel.kinterface.Kinterface.diag" title="Permalink to this definition">¶</a></dt>
<dd><p>Diagonal of the kernel matrix.</p>
<div class="math">
\[\mathbf{d}_i = k(\mathbf{x}_i, \