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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

We present sufficient conditions for the unique solvability of the matrix equation AXB+C|X|D=E where A,B,C,D and E are given square or rectangular real matrices of appropriate size and X 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 一种X+C|X|d=Ë 哪里 一种CdË 给出适当大小的正方形或矩形实数矩阵,以及 X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。

更新日期:2020-10-16
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