科研之友
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摘要
A class of sign-symmetric P-matrices including all nonsingular totally positive matrices and their inverses as well as tridiagonal nonsingular H-matrices is presented and analyzed. These matrices present a bidiagonal decomposition that can be used to obtain algorithms to compute with high relative accuracy their singular values, eigenvalues, inverses, or their LDU factorization.
- 出版日期2013-5
