[mathjax]
[latex]\begin{pmatrix}
a_{1} & b_{1}\\
c_{1} & d_{1}
\end{pmatrix} \ \ \ \begin{bmatrix}
1 & \cdots & 1\\
\vdots & \iddots & \vdots \\
1 & \cdots & 1
\end{bmatrix} \ \ \ \ \begin{array}{ c|c|c|c }
fx & a_{1} & \nearrow & a_{2}\\
\hline
& b_{1} & \swarrow & b_{2}
\end{array} \ \ \ fx=\begin{cases}
\alpha & \mathrm{if,} \ a=b\\
\beta & \mathrm{if,} \ a\neq b
\end{cases}[/latex]

Comments are closed.