Can we find an invertible, integer matrix with a given first row?
29608
If GCD $(a_1,\ldots, a_n)=1$ then there's a matrix in $SL_n(\mathbb{Z})$ with first row $(a_1,\ldots, a_n)$
155272
Is a matrix with $1$s in the diagonal and off-diagonal entries with absolute value less than $1$ invertible?
40222
Matrices that are not diagonal or triangular, whose eigenvalues are the diagonal elements
65305
Minimal polynomial for an invertible matrix and its determinant
108589
The inverse of the matrix $\{1/(i+j-1)\}$
119301
Is the following matrix invertible?
126025
Computing the inverse of a permutation
52040
"Inverse" of an $n\times k$ matrix.
142307
Counting invertible $0$-$1$ matrices that remain invertible under negating the diagonal
73155
Prove that for any square matrix, an invertible matrix B exists, so that BA is triangular
19846
Gram matrix invertible iff set of vectors linearly independent
28861
Given an invertible matrix $A$ such that all elements in $A$ and in $𝐴^{−1}$ are integers, find $|𝐴^4|$
75104
Existence of some type matrix
47943
Replicate Element-wise in matrix
125021
Inverse of an invertible upper triangular matrix of order 3
81783
Labeling all sides of the matrix with kbordermatrix
125889
Determinant of rank-one perturbations of (invertible) matrices