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The largest entry in the inverse of a Vandermonde matrix
Linear and Multilinear Algebra ( IF 1.1 ) Pub Date : 2021-05-06 , DOI: 10.1080/03081087.2021.1922337 Carlo Sanna 1 , Jeffrey Shallit 2 , Shun Zhang 2
中文翻译:
范德蒙矩阵逆矩阵中的最大项
更新日期:2021-05-06
Linear and Multilinear Algebra ( IF 1.1 ) Pub Date : 2021-05-06 , DOI: 10.1080/03081087.2021.1922337 Carlo Sanna 1 , Jeffrey Shallit 2 , Shun Zhang 2
Affiliation
We investigate the size of the largest entry (in absolute value) in the inverse of certain Vandermonde matrices. More precisely, for every real , let be the maximum of the absolute values of the entries of the inverse of the matrix . We prove that exists, and we provide some formulas for it.
中文翻译:
范德蒙矩阵逆矩阵中的最大项
我们调查了某些范德蒙矩阵的逆矩阵中最大条目的大小(绝对值)。更准确地说,对于每个真实的, 让是的倒数的项的绝对值的最大值矩阵. 我们证明存在,我们为它提供了一些公式。