Latex 测试

\alpha+\beta\geq\frac12

\alpha+\beta\geq\frac12

 \alpha+\beta\geq\frac12 
 x_{22}^{(n)} 
 \frac{1}{1+\frac{1}{2}} 
 \int_a^b f(x)\mathrm{d}x 

 \int_a^b f(x)\mathrm{d}x 

\(\alpha+\beta\geq\frac12\)

 

 \begin{Bmatrix}1 & 2\\3 &4\end{Bmatrix} 


 
\mathbf{X} =
\left( \begin{array}{ccc}
x_{11} & x_{12} & \ldots \\
x_{21} & x_{22} & \ldots \\
\vdots & \vdots & \ddots
\end{array} \right)
 

原创文章,转载请注明: 转载自张哲的博客

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