Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4603260 | Linear Algebra and its Applications | 2008 | 8 Pages |
Abstract
We describe a method to approximate the matrix elements of a real power α of a positive-definite (for α∈R) or positive-semidefinite (for α⩾0), infinite, bounded, sparse and Hermitian matrix W. The approximation uses only a finite part of the matrix W.
Related Topics
Physical Sciences and Engineering
Mathematics
Algebra and Number Theory