algebra - matrices and polynoms
112736
Linear Transformation - linear algebra question
113474
An $n \times n$ matrix $M$ of integers has the property that $M_{ab} = M_{xy}$ iff $a+b=x+y$. How many distinct elements are there in $M$?
73027
Questions on symmetric matrices
86150
Geometric interpretation of matrices
11375
Jacobson radical of a certain ring of matrices
57543
Show that a matrix is nilpotent.
55031
Show any matrix $A_{n\times n}$ can be written as sum of two nonsingular matrices
73697
Let $A, B$ be $n\times n$ with $n\ge 2$ nonsingular matrices with real entries such that $A^{-1} + B^{-1} =(A+B)^{-1}$
119452
Nilpotent matrices with same minimal polynomial and nullity
43570
Finding two non-zero matrices where $AX = BA$
108975
The simple modules of upper triangular matrix algebras.
74460
Matrices A+B=AB implies A commutes with B
157899
Matrix problem similar to Problem 3, SEEMOUS 2019
76723
Solving the matrix equation and finding the matrices inverse
41860
Linear Transformation and Matrices
60006
Matrix equation: $A−A(A + B)^{−1}A = B−B(A + B)^{−1}B$
120937
Matrices that commute with all matrices