# EIGIFP

eigifp is a MATLAB program for computing a few extreme eigenvalues and eigenvectors of the large symmetric generalized eigenvalue problem $Ax = \lambda Bx$. It is a black-box implementation of an inverse free preconditioned Krylov subspace projection method developed by Golub and Ye [2002]. It has important features that allow it to solve some difficult problems without any input from users. It is particularly suitable for problems where preconditioning by the standard shift-and-invert transformation is not feasible. (Source: http://dl.acm.org/)

This software is also peer reviewed by journal TOMS.

## Keywords for this software

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## References in zbMATH (referenced in 9 articles , 1 standard article )

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