...极小范数解； 最佳逼近 [gap=1145]different constrained least square solution; modified conjugate gradient method; least-norm solution; optimal approximation ..
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the least norm solution 极小范数解
least-norm solution pair 最小范数解对
Least-norm solution group 最小范数解组
weighted least-norm solution 加权最小范数法
minimum-norm least-square solution 极小范数最小二乘解
least-norm anti-symmetric solution 极小范数反对称解
minimum norm least square solution 极小范数最小二乘解
minimal norm least squares solution 极小范数最小二乘解
The least-norm solution of the optimal approximation was given.
同时还给出了它的最佳逼近问题的极小范数解。
By this iterative method, the solvability of the equations can be determined automatically, and its reflexive matrix solution or least-norm reflexive matrix solution can be got within finite steps.
该算法可以判断矩阵方程组是否有自反矩阵解，并在有自反矩阵解时，可以在有限步迭代计算之后得到矩阵方程组的一个自反矩阵解或者极小范数自反矩阵解。
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