请问如何输入公式下方的下标# TeX - TeX电子排版系统
m*m
1 楼
用$$\sum_{i=1}$$ i=1 自动在下方
但是用$$\max_{i=1}$$, i=1 是在斜下方
请问如何使得i=1也出现在下方啊？
但是用$$\max_{i=1}$$, i=1 是在斜下方
请问如何使得i=1也出现在下方啊？
T*n
2 楼
\sum, \max, \min, \int, and \lim all behave the same way,
you just need to understand when the subscripts appear
beneath, and when on the side. Generally:
* running text $\sum_x$ => always side
* single-line equation mode $$\sum_x$$ or
\begin{equation}\sum_x\end{equation} => below, except:
* in fractions \frac{\sum_x}{\sum_y} => side
* in super- or subscripts: y^{\sum_x} => side
* in roots \sqrt{\sum_x} => side
* in matrices => side
Basically if \sum and others appear in restricted ve
【在 m****m 的大作中提到】
: 用$$\sum_{i=1}$$ i=1 自动在下方
: 但是用$$\max_{i=1}$$, i=1 是在斜下方
: 请问如何使得i=1也出现在下方啊？
you just need to understand when the subscripts appear
beneath, and when on the side. Generally:
* running text $\sum_x$ => always side
* single-line equation mode $$\sum_x$$ or
\begin{equation}\sum_x\end{equation} => below, except:
* in fractions \frac{\sum_x}{\sum_y} => side
* in super- or subscripts: y^{\sum_x} => side
* in roots \sqrt{\sum_x} => side
* in matrices => side
Basically if \sum and others appear in restricted ve
【在 m****m 的大作中提到】
: 用$$\sum_{i=1}$$ i=1 自动在下方
: 但是用$$\max_{i=1}$$, i=1 是在斜下方
: 请问如何使得i=1也出现在下方啊？
m*m
3 楼
great!
Thanks a lot
【在 T*******n 的大作中提到】
: \sum, \max, \min, \int, and \lim all behave the same way,
: you just need to understand when the subscripts appear
: beneath, and when on the side. Generally:
: * running text $\sum_x$ => always side
: * single-line equation mode $$\sum_x$$ or
: \begin{equation}\sum_x\end{equation} => below, except:
: * in fractions \frac{\sum_x}{\sum_y} => side
: * in super- or subscripts: y^{\sum_x} => side
: * in roots \sqrt{\sum_x} => side
: * in matrices => side
Thanks a lot
【在 T*******n 的大作中提到】
: \sum, \max, \min, \int, and \lim all behave the same way,
: you just need to understand when the subscripts appear
: beneath, and when on the side. Generally:
: * running text $\sum_x$ => always side
: * single-line equation mode $$\sum_x$$ or
: \begin{equation}\sum_x\end{equation} => below, except:
: * in fractions \frac{\sum_x}{\sum_y} => side
: * in super- or subscripts: y^{\sum_x} => side
: * in roots \sqrt{\sum_x} => side
: * in matrices => side
n*d
4 楼
补充一下。
\max 和 \sum 都可以用一个前置的开关 \displaystyle 来强制上下限显示在正上/下
方而不是斜上/下方，比如
$\displaystyle \sum_{i=1}^{10}$
\max 和 \sum 都可以用一个前置的开关 \displaystyle 来强制上下限显示在正上/下
方而不是斜上/下方，比如
$\displaystyle \sum_{i=1}^{10}$
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