一个MATLAB 的程序学习

$$
y=x^2 \tag{1.5a} \label{eq:test}
$$

新的测试， 挺好玩的；
$$
\beta=\pi, \eqref{eq:test}
$$

$$
\left\{
    \begin{aligned}     %请使用'aligned'或'align*'
    2x + y &= 1  \\     %加'&'指定对齐位置
    2x + 2y &= 2
    \end{aligned}
    \right.
$$

$$
B \scriptscriptstyle i,n \displaystyle (t)=\dbinom{n}{i} ti(1-t){n-i},i = 0,…,n, \tag{2}
$$

$$
\left[
\begin{matrix}
B_{0,3}(t_0) & \cdots & B_{3,3}(t_0) \\
B_{0,3}(t_1) & \cdots & B_{3,3}(t_1) \\
\vdots & \ddots & \vdots \\
B_{0,3}(t_m) & \cdots & B_{3,3}(t_m)
\end{matrix}
\right]
\left[
\begin{matrix}
b_{x0} & b_{y0} \\
b_{x1} & b_{y1} \\
b_{x2} & b_{y2} \\
b_{x3} & b_{y3}
\end{matrix}
\right] =
\left[
\begin{matrix}
p_{x0} & p_{y0} \\
p_{x1} & p_{y1} \\
\vdots & \vdots \\
p_{xm} & p_{ym}
\end{matrix}
\right]
$$

$$
\bigl(x\in A(n)|x\in B(n)\bigr)$$
$$
\bigl(x\in A(n)\bigm|x\in B(n)\bigr)
$$

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

$\mathbb{A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z}$

$$\arg\min\limits_{\theta} \ \ \| \mathrm{J} (\theta)\|$$
$$
\mathop{\arg\min}\limits_{\theta} \ \ \| \mathrm{J} (\theta)\|
$$

$$
L(Y,f(x))=
\begin{cases}
1, Y!=f(x) \\
0, Y = f(x)
\end{cases}
$$

$$
\left\{
\begin{aligned}
\frac{d r}{d \omega^{\prime}}&=\frac{v}{f \omega^{\prime}} \\
\frac{d v}{d \omega^{\prime}}&=\frac{(F / m) \sin \psi-g / r^{2}+r_{\omega^{2}}}{f \omega^{\prime}} \\
\frac{\mathrm{d} \theta}{\mathrm{d} \omega^{\prime}}&=\frac{\omega}{f \omega}\\
\frac{\mathrm{d} \omega}{\mathrm{d} \omega^{\prime}}&=-1 \\
\frac{\mathrm{d} m}{\mathrm{d} \omega^{\prime}}&=-\frac{F}{I_{\mathrm{sp}}} \cdot \frac{1}{f \omega^{\prime}}
\end{aligned}
\right.
$$