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• # Artykuł - szczegóły

## Formalized Mathematics

2007 | 15 | 1 | 17-25

## Basic Properties of Determinants of Square Matrices over a Field1

EN

### Abstrakty

EN
In this paper I present basic properties of the determinant of square matrices over a field and selected properties of the sign of a permutation. First, I define the sign of a permutation by the requirement [...] where p is any fixed permutation of a set with n elements. I prove that the sign of a product of two permutations is the same as the product of their signs and show the relation between signs and parity of permutations. Then I consider the determinant of a linear combination of lines, the determinant of a matrix with permutated lines and the determinant of a matrix with a repeated line. Finally, at the end I prove that the determinant of a product of two square matrices is equal to the product of their determinants.MML identifier: MATRIX11, version: 7.8.04 4.81.962

17-25

wydano
2007-01-01
online
2008-06-13

### Twórcy

autor
• Institute of Computer Science, University of Białystok, Poland

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