Reorders the Schur factorization of a matrix in order to find
an orthonormal basis of a right invariant subspace corresponding
to selected eigenvalues, and returns reciprocal condition numbers
(sensitivities) of the average of the cluster of eigenvalues
and of the invariant subspace.
Reorders the Schur factorization of a matrix in order to find an orthonormal basis of a right invariant subspace corresponding to selected eigenvalues, and returns reciprocal condition numbers (sensitivities) of the average of the cluster of eigenvalues and of the invariant subspace.