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Title: Pole EXpansion and Selected Inversion (PEXSI)

The Pole EXpansion and Selected Inversion method (PEXSI) is a fast method for evaluating certain selected elements of a matrix function. PEXSI is highly scalable on distributed memory parallel machines. For sparse matrices, the PEXSI method can be more efficient than the widely used diagonalization method for evaluating matrix functions, especially when a relatively large number of eigenpairs are needed to be computed in the diagonalization methond
Publication Date:
OSTI Identifier:
Report Number(s):
PEXSI; 003003MLTPL00
DOE Contract Number:
Software Revision:
Software Package Number:
Software Package Contents:
Software package available from Lawrence Berkeley National Laboratory at the following URL:
Software CPU:
Open Source:
Source Code Available:
Related Software:
Research Org:
Lawrence Berkeley National Laboratory
Sponsoring Org:
USDepartment of Energy
Contributing Orgs:
Lin Lin, Mathias Jacquelin, Chao Yang
Country of Publication:
United States

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