Quantum Gate Visualisation

Version 1.0.0 (4.8 KB) by Duncan Barclay
A few tools to help with the visualization of quantum gates and Bloch vectors
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Updated 25 Mar 2022

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Based on this contribution, these few files helps understand the Pauli rotations/unitary matrices used in the gates of quantum computing.
The traceGate function is the most useful - call it without arguments for a short animation of the identity HZH |0> = X|0>.
% A bunch of primatives to use
ket0 = [1; 0], ket1 = [0; 1]
bra0 = ket0', bra1 = ket1'
I = eye(2)
X = [0 1; 1 0], Y = [0 -1j; 1j 0], Z = [1 0; 0 -1]
H = 1/sqrt(2)*hadamard(2)
S = [1 0; 0 1j]
T = [1 0; 0 exp(1j*pi/4)]

Cite As

Duncan Barclay (2025). Quantum Gate Visualisation (https://www.mathworks.com/matlabcentral/fileexchange/108689-quantum-gate-visualisation), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2022a
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Acknowledgements

Inspired by: Quantum Computing

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Version Published Release Notes
1.0.0