libarpack: libarpack 96 (Fortran eigenvalues library)  
libarpack:  
libarpack: ARPACK is a collection of Fortran77 subroutines designed to solve 
libarpack: large scale eigenvalue problems.  
libarpack: 
libarpack: 
libarpack: 
libarpack: 
libarpack: 
libarpack: 
libarpack: http://www.caam.rice.edu/software/ARPACK/

