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方程组AX=B与XC=D的(反)自反酉约束解

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对于给定广义反射矩阵P,研究了矩阵方程组AX=B与XC=D在关于广义反射矩阵P(反)自反酉约束下的约束解,并通过矩阵的奇异值分解与Hermite矩阵的谱分解得到了该问题的解的显式表达式。最后用数值算例验证了结论的正确性。
The reflexive and anti-reflexive unitary solutions to matrix equations AX=B and XC=D
For a given generalized reflection matrix P,the reflexive and anti-reflexive unitary solutions to matrix equa-tions AX=B and XC=D with respect to generalized reflection matrix P are investigated.By using singular value decomposi-tion and spectral decomposition of symmetric matrix,the explicit expressions for the constraint solutions mentioned above are obtained.Finally,numerical examples are presented to illustrate and explain our results.

constrained solutionsspectral decompositionsingular value decomposition(anti-)reflexive matrixunita-ry matrix

史雅萍、刘喜富

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重庆师范大学数学科学学院,重庆 401331

约束解 谱分解 奇异值分解 (反)自反矩阵 酉矩阵

重庆市自然科学基金重庆市自然科学基金重庆市教委科技项目重庆市教委科技项目

cstc2021jcyjmsxmX0195CSTB2022NSCQ-MSX0896KJQN202100505KJQN202200512

2024

内江师范学院学报
内江师范学院

内江师范学院学报

影响因子:0.299
ISSN:1671-1785
年,卷(期):2024.39(4)
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