Why does the shortcut for finding inverse of 2x2 matrices work?
6324
Deriving the inverse of a 2x2 matrix
155272
Is a matrix with $1$s in the diagonal and off-diagonal entries with absolute value less than $1$ invertible?
58491
Proving the inverse of a matrix as a polynomial of matrices
84466
How to compute the inverse of a polynomial under $GF(2^8)$?
116184
Fast(est) and intuitive ways to look at matrix multiplication?
148888
How does the inverse transform method work?
77554
Inverse of the sum of matrices
126025
Computing the inverse of a permutation
116798
First-year matrix problem: How do you show that a sum of an identity matrix and another matrix is equal to the sum's inverse?
71604
Why is the determinant of the 0x0 matrix equal 1?
52040
"Inverse" of an $n\times k$ matrix.
127664
Inverse elements in the absence of identities/associativity.
126990
Invertible matrix and inverse matrix
101452
How is the determinant related to the inverse of matrix?
5475
Derivative of the inverse of a matrix
145481
Extended Euclidean Algorithm for Modular Inverse
3795
Repeated Iteration of a 2x2 matrix