Latex测试

$$ ot |$$

$$infty$$

$$Alpha - Alpha - alpha$$

$$Beta - Beta - eta$$

$$Gamma - Gamma - gamma$$

$$Delta - Delta - delta$$

$$Epsilon - Epsilon - epsilon$$

$$Zeta - eta - zeta$$

$$Eta - Eta - eta$$

$$Theta - Theta - heta$$

$$Iota - Iota - iota$$

$$Kappa - Kappa - kappa$$

$$Lambda - Lambda - lambda$$

$$Mu - Mu - mu$$

$$Nu - Nu - u$$

$$Xi - Xi - xi$$

$$Omicron - Omicron - omicron$$

$$Pi - Pi - pi$$

$$Rho - Rho - ho$$

$$Sigma - Sigma - sigma$$

$$Tau - Tau - au$$

$$Upsilon - Upsilon - upsilon$$

$$Phi - Phi - phi$$

$$Chi - Chi - chi$$

$$Psi - Psi - psi$$

$$Omega - Omega - omega$$

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#一级标题

##二级标题

###三级标题

 

eqnarray

$egin{eqnarray}a&=&b+c\&=&b+d+e\&=&d+e+f+gend{eqnarray}$

eqnarray*

$egin{eqnarray*}a&=&b+c\&=&b+d+e\&=&d+e+f+gend{eqnarray*}$

$$egin{eqnarray*}a&=&b+c\&=&b+d+e\&=&d+e+f+gend{eqnarray*}$$

align

$egin{align}a&=b+c\&=b+d+e\&=d+e+f+gend{align}$

align*

 

$$egin{align*}a&=b+c\&=b+d+e\&=d+e+f+gend{align*}$$

 

cases

$$a=egin{cases}b+c\b+d+e\d+e+f+gend{cases}$$

符号

省略号：

$cdots$

$ldots$

$vdots$

$ddots$

运算符测试

$x=sum_{i=1}^{n}a_i$

$$x=sum_{i=1}^{n}a_i$$

$x=prod_{i=1}^{n}a_i$

$$x=prod_{i=1}^{n}a_i$$

$y=lim_{x ightarrow 0} x$

$$y=lim_{x ightarrow 0} x$$

 

ewcommand

$ d x$

$ ewcommand{ d}{{ m d}} $

$ d x$

$fpie$

$ ewcommand{pie}{{^prime}}$

$fpie$

$ ewcommand{stra}[2]{left { egin{matrix}{#1}\{#2}end{matrix} ight }}  ewcommand{strb}[2]{left [ egin{matrix}{#1}\{#2}end{matrix} ight ] }  ewcommand{ino}[2]{left ( egin{matrix}{#1}\{#2}end{matrix} ight ) }  ewcommand{udl}{underline}  ewcommand{ovl}{overline}$

$stra{n}{m} strb{n}{m} ino{n}{m}inom{n}{m}$

$x^{underline{k}} x^udl{k}$

$x^overline{k} x^ovl{k}$