4. Acceleration of the power method
As we said, the speed of convergence of the power method is governed by cn. 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, rc = Qm–1(Ac)v, where Πm(λ) = (λ – 1)Qm-1(λ) is the minimal polynomial of Ac for the vector v. We have :
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Acceleration of the power method
Extrapolation procedures
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