bn:00057965n
Noun Concept
Categories: Linear algebra, Matrix theory, Determinants, Articles with short description, Matrices
EN
nonsingular matrix  invertible matrix  Algorithms for matrix inversion  Blockwise inverse  Degenerate matrix
EN
A square matrix whose determinant is not zero WordNet 3.0
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EN
In linear algebra, an n-by-n square matrix A is called invertible, if there exists an n-by-n square matrix B such thatwhere In denotes the n-by-n identity matrix and the multiplication used is ordinary matrix multiplication. Wikipedia
Square matrix with non-zero determinant Wikidata
An n×n square matrix for which some other such matrix exists such that when they are multiplied by each other (in either order), the result is the n×n identity matrix. Wiktionary
Square matrix which, when multiplied by some other, yields the identity matrix. Wiktionary (translation)