某些四元数张量系统的可解性条件和精确解
The solvability conditions and exact solutions to some quaternion tensor systems
摘要:
利用Moore-Penrose逆得到了Sylvester型四元数张量系统$ \mathcal{A}_i\ast_{N}\mathcal{X}_i+ \mathcal{Y}_i\ast_{M}\mathcal{B}_i+\mathcal{C}_i\ast_{N} \mathcal{Z}_i\ast_{M}\mathcal{D}_i+\mathcal{F}_i\ast_{N} \mathcal{Z}_{i+1}\ast_{M}\mathcal{G}_i=\mathcal{E}_i, i=\overline{1,3} $存在精确解的充要条件,并给出了系统可解时通解的表达式.作为这个系统的应用,我们给出了Sylvester型四元数张量系统$ \mathcal{A}_i\ast_{N}\mathcal{Z}_i\ast_{M}\mathcal{B}_i+ \mathcal{C}_i\ast_{N}\mathcal{Z}_{i+1}\ast_{M}\mathcal{D}_i= \mathcal{E}_i, i=\overline{1,4}. $的可解性条件和通解.本文也可以作为某些已知结果的推广.
英文摘要:
We derive necessary and sufficient conditions for the existence of the exact solution to the Sylvester-type quaternion tensor system $ \mathcal{A}_i\ast_{N}\mathcal{X}_i+ \mathcal{Y}_i\ast_{M}\mathcal{B}_i+\mathcal{C}_i\ast_{N} \mathcal{Z}_i\ast_{M}\mathcal{D}_i+\mathcal{F}_i\ast_{N} \mathcal{Z}_{i+1}\ast_{M}\mathcal{G}_i=\mathcal{E}_i, i=\overline{1,3} $ using Moore-Penrose inverse, and present an expression of the general solution to the system when it is solvable. As an application of this system, we provide the solvability conditions and general solutions for the Sylvester-type quaternion tensor system $ \mathcal{A}_i\ast_{N}\mathcal{Z}_i\ast_{M}\mathcal{B}_i+ \mathcal{C}_i\ast_{N}\mathcal{Z}_{i+1}\ast_{M}\mathcal{D}_i= \mathcal{E}_i, i=\overline{1,4}. $ This paper can also serve as extensions to some known results.
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