Kyoichi Iwasaki kyoro1

## file0.txt
A=\left(
\begin{matrix}
1 & 2 \\
3 & 4
\end{matrix}
\right)

## file0.txt
{\rm Tr}(PAP^{-1})={\rm Tr}(A)

## file0.txt
A=U\Sigma \overline{V^T}

## file0.txt
A^{\dagger}=A

## file0.txt
(1-0.01)^{100}=0.99^{100}

## file0.txt
_nC_r=\frac{n!}{r!(n-r)!}

## file0.sql
weekofyear("yyyy-mm-dd")

## file0.txt
>> import numpy as np
>> np.where(A>5, 1, -1)

## file0.txt
I(x;a):= \left\{
\begin{array}{l}
    1, x\ge a\\
    0, x< a
\end{array}\right.

## file0.txt
\begin{eqnarray}
X_1 &=& \sqrt{-2\log(U_1)}\cos(2\pi U_2) \\
X_2 &=& \sqrt{-2\log(U_2)}\sin(2\pi U_1)
\end{eqnarray}
	I(x;a):= \left\{
	\begin{array}{l}
	1, x\ge a\\
	0, x< a
	\end{array}\right.
	\begin{eqnarray}
	X_1 &=& \sqrt{-2\log(U_1)}\cos(2\pi U_2) \\
	X_2 &=& \sqrt{-2\log(U_2)}\sin(2\pi U_1)
	\end{eqnarray}