The determinant is a map that assigns to every square matrix $$A \in R^{n,n}$$A∈Rn,n, where R is a commutative ring with unit, an element of R. This map has very interesting and important properties. For instance it yields a necessary and sufficient condition for the invertibility of $$A \in R^{n,n}$$A∈Rn,n. Moreover, it forms the basis for the definition of the characteristic polynomial of a matrix in Chap. 8.
CITATION STYLE
Liesen, J., & Mehrmann, V. (2015). Determinants of Matrices (pp. 81–99). https://doi.org/10.1007/978-3-319-24346-7_7
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