| Article ID: | iaor20022466 |
| Country: | Netherlands |
| Volume: | 103 |
| Issue: | 1 |
| Start Page Number: | 339 |
| End Page Number: | 350 |
| Publication Date: | Mar 2001 |
| Journal: | Annals of Operations Research |
| Authors: | Lin Lu, Liu Zhong-Yun |
This paper proves that for an H-matrix with positive diagonal elements there exists one and only one square root which is also an H-matrix with positive diagonal elements. An algorithm approaching the square root is proposed.