The inverse of an n×nn\times nn×n matrix AAA is an n×nn\times nn×n matrix A−1A^{-1}A−1 such that the products AA−1=A−1A=InAA^{-1} = A^{-1}A = I_nAA−1=A−1A=In where InI_nIn is the n×nn\times nn×n identity matrix.
Wikidata ID: Q17123743