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Saturday, April 18, 2009

Latex使用

  • 希腊字符加粗
    \usepackage{bm}

    \bm\sigma

  • 括号大小控制
    功能语法显示
    不好看( \frac{1}{2} )
    (\frac{1}{2})
    好一点\left( \frac{1}{2} \right)
    \left(\frac{1}{2}\right)

    可以使用\left和\right来显示不同的括号:


    功能语法显示
    圆括号,小括号\left( \frac{a}{b} \right)
    \left(\frac{b}{a}\right)
    方括号,中括号\left[ \frac{a}{b} \right]
    \left[\frac{b}{a}\right]
    花括号,大括号\left\{ \frac{a}{b} \right\}
    \left\{\frac{b}{a}\right\}
    角括号\left \langle \frac{a}{b} \right \rangle
    \left\langle\frac{b}{a}\right\rangle
    单竖线,绝对值\left|\frac{a}{b} \right|
    \left|\frac{b}{a}\right|
    双竖线,范数\left \| \frac{a}{b} \right \|
    \left\|\frac{b}{a}\right\|
    取整函数
    Floor function)
    \left \lfloor \frac{a}{b} \right \rfloor
    \left \lfloor \frac{b}{a} \right\rfloor
    取顶函数
    (Ceiling function)
    \left \lceil \frac{c}{d} \right \rceil
    \left \lceil \frac{b}{a} \right\rceil
    斜线与反斜线\left / \frac{a}{b} \right \backslash
    \left / \frac{b}{a} \right \backslash
    上下箭头\left \uparrow \frac{a}{b} \right \downarrow
    \left \uparrow \frac{b}{a} \right \downarrow
    \left \Uparrow \frac{a}{b} \right \Downarrow
    \left \Uparrow \frac{b}{a} \right\Downarrow
    混合括号\left [ 0,1 \right )
    \left [ 0,1 \right )
    单左括号\left \{ \frac{a}{b}
    \left \{ \frac{b}{a} 

    备注:

    • 可以使用\big, \Big, \bigg, \Bigg控制括号的大小,比如代码\Bigg ( \bigg [ \Big \{ \big \langle \left | \| \frac{a}{b} \| \right | \big \rangle \Big \} \bigg ] \Bigg )显示



    \Bigg ( \bigg [ \Big \{ \big \langle \left | \| x \| \right | \big \rangle \Big \} \bigg ] \Bigg )

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