简介:ThisvolumeisdedicatedtoProfessorXiaqiDing,anacademicianoftheChineseAcademyofSciences,ontheoccasionofhiseightiethbirthday.ProfessorXiaqiDingwasbornonMay25,1928,inTaoJiangcounty,Hunanprovince.Hewasgraduatedin1951fromtheDepartmentofMathematics,WuhanUniversity.Becauseofhisoutstandingacademicperformance,hewasselectedrightaftercollegeforhisstudyandresearchat
简介:广义Nekrasov矩阵在经济数学、控制理论、数值代数等诸多领域中都有着重要的作用.本文研究了广义Nekrasov矩阵的判定问题.首先从矩阵的元素出发,利用不等式放缩的方法,构造正对角矩阵因子,获得了广义Nekrasov矩阵几种新的判别方法,推广了已有的一些结果.最后用数值算例说明了所得结果的有效性.