A proof in Linear Algebra with transverse matrices
123665
A question in Subspaces in linear algebra
53840
Understanding proof of unique factorization of polynomial in Linear Algebra Done Right
72326
Determinant of block matrix with commuting blocks
70606
Show that the LU decomposition of matrices of the form $\left[\begin{smallmatrix}0& x\\0 & y\end{smallmatrix}\right]$ is not unique
23372
Show that for an invertible matrix, the images of a set of vectors spanning the space also form a spanning set
43570
Finding two non-zero matrices where $AX = BA$
81040
proof about commutative operators and T-cyclic vectors
109471
The eigenvectors of the transpose operator
49439
Matrix exponential via Cayley-Hamilton Theorem
145447
bilinear form - proof
108012
A matrix $M$ that commutes with any matrix is of the form $M=\alpha I$
83853
Prove that the polar decomposition of normal matrices, $A=SU$, is such that $SU=US$
1865
Sub-determinants of an orthogonal matrix
58491
Proving the inverse of a matrix as a polynomial of matrices
87451
Construction of matrices under ZFC axioms
116823
VERIFYING: Proving an $n \times n$ Matrix Vector Space
106288
Prove that the eigenvalues of a block matrix are the combined eigenvalues of its blocks