h***r 发帖数: 726 | 1 ~ 和 \~ 都不行,咋办?谢了
我这个不是约等于,而是表示一个集合的补集 | b*******x 发帖数: 2469 | | j***r 发帖数: 69 | | b**n 发帖数: 289 | 4 Another choice is \widetilde{x} if you want to put ~ on top of x. Most time
I like this one better. hehe. | h***r 发帖数: 726 | 5 Finally, I used \sim. It works fine.
BTW: since what I wanted is ~{a_{ij}}, tilde is not suited here.
【在 j***r 的大作中提到】 : 用 \sim
|
|