plot the bloch-sphere in matlab

To plot the Bloch sphere in MATLAB, you can make use of the sphere function to create a 3D spherical plot and then use the surf function to color the sphere appropriately.

Here is sample code that shows how to generate a Bloch sphere in MATLAB:

main.m
% Define the x, y, and z coordinates of the sphere
[x,y,z] = sphere(50);

% Create a new figure and set its properties
fig = figure;
fig.Color = [0.5,0.5,0.5];
fig.NumberTitle = 'off';
fig.Name = 'Bloch Sphere';

% Create a new set of axes for the sphere plot
ax = axes;
axis equal;
axis off;
view(3);

% Plot the sphere and color it
s = surf(x,y,z);
s.FaceColor = 'interp';
s.FaceLighting = 'none';
s.EdgeColor = 'none';
colormap(jet);

% Add a title to the plot
title('Bloch Sphere');
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This will generate a 3D spherical plot that represents the Bloch sphere, which is a common visualization tool in quantum computing to show the state of a qubit.

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