latex的公式输入如何输入使条件语句换行且方程处于中间?
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latex的公式输入如何输入使条件语句换行且方程处于中间?
latex的公式输入
如何输入使条件语句换行且方程处于中间?
latex的公式输入如何输入使条件语句换行且方程处于中间?
\[
p( u,v) = \left\{
{\begin{array}{*{20}l}
f_R ( u ) + f_T ( v ), & {\begin{array}{*{20}l}
c_{n - 1} = R,~d_{n - 1} = T~\mbox{or} \\
c_{n - 1} = R,~d_{n - 1} = L~\mbox{or} \\
c_{n - 1} = R,~d_{n - 1} = R~\mbox{or} \\
c_{n - 1} = L,~d_{n - 1} = T~\mbox{or} \\
c_{n - 1} = T,~d_{n - 1} = T~\mbox{or} \\
c_{n - 1} = T,~d_{n - 1} = R, \\
\end{array} } \\ \\
2^n + p(u' + v'), & {\begin{array}{*{20}l}
c_{n - 1} = T,~d_{n - 1} = L~\mbox{or} \\
c_{n - 1} = L,~d_{n - 1} = R, \\
\end{array} } \\ \\
2^n + r( u' + v' ),& \begin{array}{*{20}l}
c_{n - 1} = L,~d_{n - 1} = L .\end{array} \\
\end{array} } \right.
\]