 changed as follows: $$\widetilde{c}=\left[ \begin{array}{cc} 0.0 &\ 0\\ 0.0&\ 0.0 \end{array} \right], \hskip 0mm \widetilde{d}=\left[ \begin{array}{cc} 0.0&\ 0\\ 0.0&\ 0.0 \end{array} \right].$$ Suppose that $\widetilde{\Sigma}_{