Linear Algebra (Matrix)
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 $M$?
82020
basic linear algebra question, proving it is a diagonal matrix and scalar matrix.
41660
Taking the product of a list of matrices
75104
Existence of some type matrix
2482
Matrix Multiplication in context of row and column vectors
60616
What's a good book on advanced linear algebra?
55159
Find all matrices that commute with given matrix
43570
Finding two non-zero matrices where $AX = BA$
17087
Question concerning linear combinations of vectors and linear independence in Linear Algebra.
78265
Diagonalizable matrix with parameters
25580
How to self study Linear Algebra
140252
Matrices - Conditions for $AB+BA=0$
34489
Matrix representation of linear transformation
36262
Linear algebra for quantum physics
123808
How would I solve the following problem involving elementary matrices?
132346
a linear algebra multiple choice problem
75592
What is the usefulness of matrices?