通过引入双BπR-阵和MBπR-阵概念,研究其性质,给出了P-阵的两个新子类——双BπR-阵和MBπR-阵。最后用数值例子对所得理论结果进行了说明。
Two new subclasses of P- matrices are given by presenting the concepts of doubly BπR-matrlx and MBπR- matrix and studying their properties. Finally, numerical examples are given to illustrate the obtained results.