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Sufficient conditions for the solvability of a Sylvester-like absolute value matrix equation
Applied Mathematics Letters ( IF 3.7 ) Pub Date : 2020-10-10 , DOI: 10.1016/j.aml.2020.106818 Behnam Hashemi
中文翻译:
类Sylvester绝对值矩阵方程的可解性的充分条件
更新日期:2020-10-16
Applied Mathematics Letters ( IF 3.7 ) Pub Date : 2020-10-10 , DOI: 10.1016/j.aml.2020.106818 Behnam Hashemi
We present sufficient conditions for the unique solvability of the matrix equation where and are given square or rectangular real matrices of appropriate size and is unknown. We also give sufficient conditions for the non-solvability of the equation in special cases. Our sufficient conditions can be checked with a cubic complexity in terms of the size of the input matrices.
中文翻译:
类Sylvester绝对值矩阵方程的可解性的充分条件
我们为矩阵方程的唯一可解性提供了充分条件 哪里 和 给出适当大小的正方形或矩形实数矩阵,以及 未知。在特殊情况下,我们还为方程的不可解性提供了充分的条件。就输入矩阵的大小而言,我们的充分条件可以用三次方检查来检查。