In this paper the theory of invertibility of matrices of field elements (see e.g. [5], [6]) is developed. The main purpose of this article is to prove that the left invertibility and the right invertibility are equivalent for a matrix of field elements. To prove this, we introduced a special transformation of matrix to some canonical forms. Other concepts as zero vector and base vectors of field elements are also introduced as a preparation.MML identifier: MATRIX14, version: 7.9.01 4.101.1015
@article{bwmeta1.element.doi-10_2478_v10037-008-0025-z, author = {Yatsuka Nakamura and Kunio Oniumi and Wenpai Chang}, title = {Invertibility of Matrices of Field Elements}, journal = {Formalized Mathematics}, volume = {16}, year = {2008}, pages = {195-202}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.doi-10_2478_v10037-008-0025-z} }
Yatsuka Nakamura; Kunio Oniumi; Wenpai Chang. Invertibility of Matrices of Field Elements. Formalized Mathematics, Tome 16 (2008) pp. 195-202. http://gdmltest.u-ga.fr/item/bwmeta1.element.doi-10_2478_v10037-008-0025-z/
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