noun
Meaning 1
Any n×n square matrix for which there exists a corresponding inverse matrix (i.e., a second (or possibly the same) matrix such that when the two are multiplied by each other, in either order, the result is the n×n identity matrix).
Definition source: English Wiktionary via Wiktextract
Topics: linear-algebra, mathematics, sciences
Examples
- 1975 [Prentice-Hall], Kenneth Hoffman, Analysis in Euclidean Space, Dover, 2007, page 65, It says that, if A is a singular matrix, then every neighborhood of A contains an invertible matrix. In other words, if A is singular, we can perturb A just a little and obtain an invertible matrix.
Meaning relationships
Synonyms: none provided
Antonyms: none provided