摘要
本文讨论一类半正定双对称矩阵反问题的最小二乘解及其最佳逼近 .
This paper deals with a kind of the least-square solutions of inverse problems for positive semidefinite bisymmetric matrices and its optimal approximation.
关键词
双对称矩阵
半正定矩阵
最小二乘解
反问题
bisymmetric matrix
positive semidefinite matrix
least-square solution
matrix equation
optimal approximation