Sorting eigenvalues and vectors together

A. M. Archibald peridot.faceted at
Fri Oct 27 12:19:40 CDT 2006

On 27/10/06, jeremito <jeremit0 at> wrote:
> I am using a = numpy.linalg.eig(A) to get the eigenvalues and
> eigenvectors.  I am interested only in the largest eigenvalue so I
> would like to sort the first element of a.  But if I do that, I won't
> know what is the associated eigenvector.  Is there a function that will
> sort the values and vectors together or do I need to write it myself.

I think that they are sorted, but argsort() will do what you want (or
argmax(), even).

A. M. Archibald

Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo

More information about the Numpy-discussion mailing list