Understanding the Difference of \mid and \rangle in Math Notation

[Rajini]

Hello everyone..
in the following code, why the \mid (or pipe) symbol is not stretched..but \rangle is fine
i want to type |1/2,\pm1/2>
here is my code
\left\mid\frac{1}{2},\pm\frac{2}{2}\right\rangle
thanks

 

[tiny-tim]

|

Hello Rajini!

Hello everyone..
in the following code, why the \mid (or pipe) symbol is not stretched..but \rangle is fine
i want to type |1/2,\pm1/2>
here is my code
\left\mid\frac{1}{2},\pm\frac{2}{2}\right\rangle
thanks

hmm …

$$\left\mid\frac{1}{2},\pm\frac{2}{2}\right\rangle$$​

dunno …

but it's ok if you just type | instead of \mid (or indeed > instead of \rangle )…

$$\left|\frac{1}{2},\pm\frac{2}{2}\right>$$ ​

 

[Rajini]

ohhh..thanks