a tip a day 2003.12.23.txt

来自「latex学习例子」· 文本 代码 · 共 27 行

发信人: exotic (~~光辉的末裔~~), 信区: TeX_LaTeX                                                                        
标  题: A Tip A Day 2003.12.23                                                                                          
发信站: 饮水思源 (2003年12月23日12:26:35 星期二)                                                                        


Text over/under Arrow                                                                                                   

in latex preamble                                                                                                       
\usepackage{amsmath}                                                                                                    
and in the text write                                                                                                   
$\underset{under\ the\ arrow}{\Rightarrow}$                                                                             
$\overset{over\ the\ arrow}{\Rightarrow}$                                                                               
$\overset{over\ the\ arrow\ and}{\underset{under\ the\ arrow}{\Longrightarrow}                                          
}$                                                                                                                      
http://www.educat.hu-berlin.de/~voss/LaTeX/OverUnder/overunderarrow.gif                                                 
                                                                                                                        
There are several other commands in the package amsmath for text over/under ar                                          
rows:                                                                                                                   

\xrightarrow{text over this arrow}                                                                                      
http://www.educat.hu-berlin.de/~voss/LaTeX/OverUnder/xrightarrow.gif                                                    
\xleftarrow{text over this arrow} same as xrightarrow                                                                   
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地球不会因你的悲伤而停止转动                                                                                            
                                                                                                                        
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