Power iteration in Matlab.

2016 2 10
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更新时间：2021 9 24
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How can I implement the power iteration method in matlab? I have a vector, v and a matrix, G, I need to multiply them together using the answer in the previous iterate continuously until it converges to a constant vector. So about 20-30 iterations will need to be done.
v = 0.2669 0.1413 0.3570 0.3836 0.5105 0.6112
G =
0.1667 0.1667 0.1667 0.1667 0.1667 0.1667
0.8750 0.0250 0.0250 0.0250 0.0250 0.0250
0.8750 0.0250 0.0250 0.0250 0.0250 0.0250
0.3083 0.5917 0.0250 0.0250 0.0250 0.0250
0.8750 0.0250 0.0250 0.0250 0.0250 0.0250
0.3083 0.3083 0.3083 0.0250 0.0250 0.0250

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Walter Roberson
Walter Roberson 2016-2-10

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r = v;
for K = 1 : 30
r = r * G;
end

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Torsten
Torsten 2016-2-11
Note that the vector r in the power iteration method must be normalized in each step:
r = r/norm(r);
Best wishes
Torsten.

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