s=condeig(a)[v,d,s]=condeig(a)condeig(a) returns the condition number
for the eigen values of a .
[v,d,s]=condeig(a) returns (a) v , the matrix of eigenvectors of a ,
(b) d , the diagonal matrix containing the
eigenvalues of a , and
(c) s , the condition number of the eigenvalues of a .