### Can I use LAPACK to find only the largest eigenvalue?

Posted:

**Mon Nov 07, 2011 12:46 am**Hello,

I use LAPACK to find only the largest absolute eigenvalue of matrix? If there is no single largest value, then the one that is equal largest. I only need the largest and I was hoping to save time by not finding the others.

Thanks.

I use LAPACK to find only the largest absolute eigenvalue of matrix? If there is no single largest value, then the one that is equal largest. I only need the largest and I was hoping to save time by not finding the others.

Thanks.