... 线性矩阵方程； 异类约束最小二乘解； 修正共轭梯度法； 极小范数解； 最佳逼近 [gap=1110]Key words: linear matrix equation; different constrained least square solution; modified conjugate gradient metho..
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linear matrix equation system 线性矩阵方程组
restricted linear matrix equation 约束线性矩阵方程
system of linear matrix equation 线性矩阵方程组
matrix linear equation 矩阵线性方程
Linear equation sets as basic computational unit, expressing linear equation sets in matrix form, basic matrix operations.
做为基本计算单元之线性方程组，以矩阵形式表示线性方程组，基础矩阵运算。
By elementary rank transformations of matrix, a method has been obtained to solve linear diophantine equation with some variables. The method overcomes the deficiency of traditional method.
利用矩阵的初等列变换，给出了求解多元线性不定方程的一种方法，该方法改进了传统方法计算量大、步骤多的缺点。
A upper bound with consistent matrix norm and the estimate for error of AOR iterative method for solving linear equation system, which based on the doubly diagonal dominance, are presented.
在双严格占优矩阵条件下，给出了相容矩阵范数的一个上界，并以此为基础，得到了线性方程组求解时的AOR迭代法的误差估计式。
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