Bra -- from Wolfram MathWorld
By A Mystery Man Writer
Description
A bra <psi| is a vector living in a dual vector space to that containing kets |psi>. Bras and kets are commonly encountered in quantum mechanics. Bras and kets can be considered as 1-vectors and 1-forms (or vice versa), although this is almost always done only in a finite-dimensional vector space. Considered as an inner product, the bra and ket form an angle bracket (bra+ket = bracket) <psi|psi>.
![Bra -- from Wolfram MathWorld](https://content.wolfram.com/sites/35/2011/07/can-21-people-be-put-into-a-perfect-triangle-formation.gif)
Posts Tagged with 'Mathematics'—Wolfram
![Bra -- from Wolfram MathWorld](https://content.wolfram.com/sites/35/2011/05/cross-product-of-123-and-456.gif)
Posts Tagged with 'Mathematics'—Wolfram
![Bra -- from Wolfram MathWorld](https://cims.nyu.edu/~tjl8195/survey/result072.png)
Thomas Lam's Website
![Bra -- from Wolfram MathWorld](http://mathworld.wolfram.com/images/eps-gif/Trapezoid_1000.gif)
![Bra -- from Wolfram MathWorld](https://content.wolfram.com/sites/35/2011/06/basketstitch-tiling.gif)
Posts Tagged with 'Mathematics'—Wolfram
![Bra -- from Wolfram MathWorld](https://wiresharklabs.files.wordpress.com/2013/11/3-1-1.jpg?w=614&h=628)
Computer Science Courses, Homework
What is the toughest problem ever asked in an IMO? - Quora
![Bra -- from Wolfram MathWorld](https://img.yumpu.com/8129815/1/500x640/topology-distributed-computing-by-dougmscsmuedu.jpg)
Topology - Distributed Computing, by doug@mscs.mu.edu
Semiorder 2 PDF, PDF, Function (Mathematics)
![Bra -- from Wolfram MathWorld](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjOEm_Q5x7W6slYIUAcp6VqsEPatiOPCIDe-yuNX_ZQaoI0MrQp23jw_MT0J03raQbmkNIFk3xblowEbuSOP7VYFLU16AhchaiX785j0wR2Im0N5xS8iGygtySZrwuykjyaZWmtfQPY5gxE/w1200-h630-p-k-no-nu/2010+imo+g7.png)
Geometry Problems from IMOs: IMO ISL 1993- 219p
Quantum Computing Single Qubit⚛️. Quantum mechanics sounds intimidating…, by Augusto Gonzalez-Bonorino
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