Structured Perturbation
qProblem: Given M Î C p´ q , find a smallest D Î D
D={diag[d1Ir1, …, dsIrs, D1, …, DF] Î C p´ q : di Î C, Dj Î C mj´ mj }
such
that det(I-MD)=0.
qWe shall call 1/amin as
structured singular value (SSV).
