May 2018
Beginner
490 pages
13h 16m
English
Content preview from Artificial Intelligence By Example
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Bloch sphere
The radian table shown just now is a practical way to describe rotations. A Bloch sphere, as shown in the following figure, provides a visual representation of the position and rotation of a qubit:
Bloch sphere
The North and South pole (polar coordinates) represent the basic states of a qubit:
A qubit can take any value on the sphere.
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