Computes the eigenvalues and Schur factorization of a general
matrix, orders the factorization so that selected eigenvalues
are at the top left of the Schur form, and computes reciprocal
condition numbers for the average of the selected eigenvalues,
and for the associated right invariant subspace.
Computes the eigenvalues and Schur factorization of a general matrix, orders the factorization so that selected eigenvalues are at the top left of the Schur form, and computes reciprocal condition numbers for the average of the selected eigenvalues, and for the associated right invariant subspace.