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parrot

parrot — Parrot's problem

Calling sequence

K=parrot(D,r)

Parameters

D,K : matrices
r : 1X2 vector (dimension of the 2,2 part of D)

Description

Given a matrix D partionned as [D11 D12; D21 D22] where size(D22)=r=[r1,r2] compute a matrix K such that largest singular value of [D11 D12; D21 D22+K] is minimal (Parrot's problem)

See also

h_inf_st
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