span class="string">[E*E x  D ]</span>
dVdm       <span class="string">inv(s)*input-output</span> <span class="string">covariance</span> <span class="string">by</span> <span class="string">input</span> <span class="string">mean</span>          <span class="string">[D*E x  D ]</span>
dMds       <span class="string">ouput</span> <span class="string">mean</span> <span class="string">by</span> <span class="string">input</span> <span class="string">covariance</span>                        <span class="string">[ 