# Gents how do I write Bra and Ket vectors here

1. Sep 2, 2005

### Neitrino

Gents how do I write Bra and Ket vectors here, I ve gone through the help documentation, but I could not find, I saw one equation as an example but I failed to identify Bra and Ket associated codes

Thks

2. Sep 2, 2005

### ZapperZ

Staff Emeritus
Er.. what's wrong with using "<", ">", and "|"?

Zz.

3. Sep 2, 2005

### Neitrino


Ive seen such equation for Bra/Ket vectors and that confused me, sine i failed to identify this code

4. Sep 2, 2005

### slyboy

$\left | \psi \right \rangle$

latex \left | \psi \right \rangle /latex

$\left \langle \psi \right |$

latex \left \langle \psi \right | /latex

$\left \langle \psi \right. \left | \psi \right \rangle$

latex \left \langle \psi \right. \left | \psi \right \rangle /latex

Note: The "latex" and "/latex" should be enclosed in square brackets to make the equation appear.

5. Sep 2, 2005

### George Jones

Staff Emeritus
Try this.

$$\frac{d}{dt} \left| \psi \right> = \left| \frac{d \psi}{dt} \right>$$

Regards,
George

6. Sep 8, 2005

### snooper007

$$\langle \frac{a}{b}\rangle$$

7. Sep 8, 2005

### Galileo

$$\langle ^\wedge \smile ^\wedge \rangle$$

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