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Properties of Inverse Matrices
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Linear Algebra
> Definition of an Inverse of a Matrix
Definition of an Inverse of a Matrix
A
matrix
B
with size n x n is called the inverse of matrix
A
with size n x n, if:
AB = BA = I
, where I is the identity matrix of order n.
Note that only square matrices have inverses, any non-square matrix doesn't have inverse.
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