how can I get a tilde under a variable in math mode?

Asked Jul 07 '13 at 07:48

Active Jul 07 '13 at 07:54

Viewed 259 times

such like this, but I want them to be combined to identify a vector. thx for help~!

edited Jul 07 '13 at 07:54

Qrrbrbirlbel

asked Jul 07 '13 at 07:48

weather

0 Answers0