ring">test</span> <span class="string">distribution</span>            <span class="string">[ D  x  D ]</span>
</pre><p><b>Output arguments:</b></p><pre class="language-matlab">M          <span class="string">mean</span> <span class="string">of</span> <span class="string">pred.</span> <span class="string">distribution</span>                            <span class="string">[ E  x  1 ]</span>
S          <span class="string">covariance</span> <span class="string">of</span> <span class="string">the</span> <span 