4. Acceleration of the power method
As we said, the speed of convergence of the power method is governed by c n . To speed up the sequence of vectors it provides, we're going to transform it into another sequence without modifying the iterations.
From Property 4, r c = Q m –1 (A c )v, where Π m (λ) = (λ – 1)Q m-1 (λ) is the minimal polynomial of A c for the vector v. We have :
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Acceleration of the power method
Extrapolation procedures
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