On functions which preserve the class of Stieltjes matrices |
| |
Authors: | Charles A. Micchelli R.A. Willoughby |
| |
Affiliation: | IBM T. J. Watson Research Center Yorktown Heights, New York 10598 USA |
| |
Abstract: | A positive definite symmetric matrix is called a Stieltjes matrix provided that all its off diagonal elements are nonpositive. We characterize functions which preserve the class of Stieltjes matrices. |
| |
Keywords: | |
本文献已被 ScienceDirect 等数据库收录! |