As applications, existence and uniqueness of a best simultaneous approximation element are studied.
同时，作为应用，研究了最佳联合逼近元的存在性与唯一性问题。
In this paper, it is proved that in the uniform convexity linear metric space there exists a unique best simultaneous approximation element.
本文证明了一致凸线性距离空间存在唯一的最佳联合逼近元。
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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