Hypothesis for matrix formula
11557
How to prove $\det(e^A) = e^{\operatorname{tr}(A)}$?
140768
Proof of Vandermonde Matrix Inverse Formula
60598
Matrix $A^T A$ as sum of outer products
152696
Proof of LOOCV formula
13948
Matrix in a matrix
136623
Hints/ Solution in finding a formula $\phi(n)$ for a binary square matrix
157899
Matrix problem similar to Problem 3, SEEMOUS 2019
48961
system of matrix equations
51800
We have matrix $A\in M_{n-1\times n}(\mathbb Z)$ so that the sum of entries in each row is zero. Prove that $\det(AA^T)=nk^2.$
11927
Matlab: Argmax and dot product for each row in a matrix
40686
Hypergeometric function with a matrix argument
137920
Proving an equation with invertible matrices
5616
How can I prove the IFF condition for this group of matrices?
97487
How to prove whether a matrix has rank $1$
41813
How to prove positive (semi-)definitness in matrix notation without numbers
143187
Matrix power series has linearly dependent terms
44383
Finding rank of a matrix depending on parameter a