| Some proparties of p.n. p. matrices |
| Received:December 28, 1982 |
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| Abstract: |
| In this paper, first we have obtained an estimation for signs of real parts of eigenvalues of p.n.p. matrix, and have given some properties of p.n.p. matrix. In addition, we give respectively different estimations of eigenvalues for nonsingular p.n.p. matrix and p.n.p. matrix, whose nondia gonal entries are nonnegative values or nonposrtive values. |
| Citation: |
| DOI:10.3770/j.issn:1000-341X.1986.04.003 |
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