 \begin{equation*}
  \begin{aligned}
   \tilde B = 
\left[ \begin{array}{cccc}
  - \epsilon - \sum_{i=0}^{d} | \bar h_{0i} |    & 0  &  \ldots  & 0  \\
 0  &   - \epsilon - \sum_{i=0}^{d} | \bar h_{1i} |  &  \ldots  & 0  \\
 \vdots  & \vdots                & \ddots  & \vdots     \\
 0  &  0  &  \ldots  &   - \epsilon - \sum_{i=0}^{d} | \bar h_{di} |  \\
 \end{array}
 \right], 
   \end{aligned}
\end{equation*}
