After defining monotonic norm in R2 in this paper, new Characterization is obtained for best simultaneous approximation from RS-sets two element.
在定义了R2的单调范数以后，得到了RS集对两个最佳元逼近的新特征。
After defining monotonic norm in R2 in this paper, new Characterization is obtained for best simultaneous approximation from RS-sets two element.
在定义了R2的单调范数以后，得到了RS集对两个最佳元逼近的新特征。
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