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pro vyhledávání: '"Wannisa Apairat"'
Autor:
Wannisa Apairat, Sompong Chuysurichay
Publikováno v:
Songklanakarin Journal of Science and Technology (SJST), Vol 45, Iss 2, Pp 308-313 (2023)
For any positive integer 𝑛 ≥ 2, we give necessary and sufficient conditions of the existence of the Moore-Penrose inverse of any square matrix over the ring of integers modulo 𝑛. In particular, the formula for the Moore-Penrose inverse of an
Externí odkaz:
https://doaj.org/article/49b4f2fb9bc94646acc68695502b833a
Autor:
Wannisa Apairat, Sompong Chuysurichay
Publikováno v:
Songklanakarin Journal of Science and Technology (SJST), Vol 40, Iss 5, Pp 1061-1065 (2018)
We give necessary and sufficient conditions for the existence of the Moore-Penrose inverse of an element in a ring with involution. If R is a ring with involution, we also investigate the existence of the Moore-Penrose inverse of the product 1 2
Externí odkaz:
https://doaj.org/article/40932e9011484f06b068bd6e3f96eaa8