Abstract
In this paper, we derive some necessary and sufficient conditions for two, three and four quaternion matrices to be block independent in the least squares inverse, the minimum norm inverse and the {1,3,4}-inverse, respectively. Moreover, it is shown that, quite surprisingly, two, three and four ordered quaternion matrices are block independent in the {1,3,4}-inverse if and only if they are block independent in the Moore–Penrose inverse, which at first glance looks to be a weaker condition than the later.
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Acknowledgements
This research was supported by the Post-Doctoral Fund of China (2015M571539), the Doctoral Program of Shan Dong Province (BS2013SF011), Scientific Research of Foundation of Shan Dong University (J14LI01) and Scientific Research of Foundation of Weifang (2014GX027).
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Song, G., Zhou, Y. Block Independence in Various Generalized Inverses of Partitioned Quaternion Matrices. Iran J Sci Technol Trans Sci 43, 1071–1080 (2019). https://doi.org/10.1007/s40995-018-0534-8
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DOI: https://doi.org/10.1007/s40995-018-0534-8