On the best rank-1 approximation to higher-order symmetric tensors

On the best rank-1 approximation to higher-order symmetric tensors
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关于高阶对称张量的最佳 1 阶近似

DOI:
10.1016/j.mcm.2007.01.008
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发表时间:
2007-11-01
影响因子:
--
通讯作者:
Wang, Yiju
Wang, Yiju
中科院分区:
其他
文献类型:
--
作者:
Ni, Guyan;Wang, Yiju

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在本文中,我们考虑最小二乘意义上的高阶对称张量的最佳Rank-1近似,并表明偶数m阶对称张量的最佳Rank-1近似可以由m/2个单位球确定,并且4阶和维度2的对称张量的最佳Rank-1近似也是其最佳Rank-1近似。 (C) 2007 Elsevier Ltd. 保留所有权利。
In this paper, we consider the best rank-1 approximation to higher-order symmetric tensors in the least-squares sense, and show that the best rank-1 approximation of a symmetric tensor with even order m can be determined by m/2 unit spheres and a best symmetric rank-1 approximation of a symmetric tensor with order 4 and dimension 2 is also its best rank-1 approximation. (C) 2007 Elsevier Ltd. All rights reserved.