tex cases
$$
X(m,n)=
\begin{cases}
x(n),\\
x(n-1)\\
x(n-1)
\end{cases}
$$tex cases
$$
X(m,n)=
\begin{cases}
x(n),\\
x(n-1)\\
x(n-1)
\end{cases}
$$Copyright © 2021 Codeinu
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