Definition: Square Matrix
A square matrix \(A\in M_{m\times n}(F)\) is a matrix, in which the number \(n\) of columns and the number \(m\) of rows are the same (\(m=n\)):
\[A\in M_{n\times n}(F).\]
Table of Contents
 Definition: Symmetric Matrix
 Definition: Upper and Lower Triangular Matrix
 Definition: Diagonal Matrix
Mentioned in:
Definitions: 1 2 3 4 5 6 7
Examples: 8
Thank you to the contributors under CC BYSA 4.0!
 Github:

References
Bibliography
 Wille, D; Holz, M: "Repetitorium der Linearen Algebra", Binomi Verlag, 1994