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3.7 Matrix Inversion

3.7 Matrix Inversion

作者: 十年一战 | 来源:发表于2021-04-24 20:12 被阅读0次

An invertible matrix is said to be nonsingular, and a square matrix with no inverse is called a singular matrix.

Notice that matrix inversion is defined for square matrices only—the condition AA−1 = A−1A rules out inverses of nonsquare matrices.

Although not all matrices are invertible, when an inverse exists, it is unique.

Computing the inverse

m

Properties of inversion

Products of Nonsingular Matrices Are Nonsingular

s

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