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\textbf{A}=\textbf{T} * \textbf{x}^{-1}  \end{equation}  Then we can combine the above two equations, using what has been known as the Leontief inverse, to estimate the total output ($\textbf{x*}$} ($\textbf{x*}$)  for a given demand $\textbf{y}$: \begin{equation}  \textbf{x*}=(I-A)^{-1} * \textbf{y*}