symmetric matrix
matrix equal to its transpose
Euclidean distance matrix
matrix where elements represent distances between points in Euclidean space
Seidel adjacency matrix
matrix in graph theory (mathematics)
diagonal matrix
matrix whose only nonzero elements are on its main diagonal
Monge array
type of mathematical object
Wilkinson matrix
numerical lineral algebra
distance matrix
square matrix (two-dimensional array) containing the distances, taken pairwise, between the elements of a set. Depending upon the application involved, the distance being used to define this matrix may or may not be a metric
hat matrix
notion in statistics
Jacket matrix
square matrix that is a generalization of the Hadamard matrix
Hessian matrix
(Mathematical) matrix of second derivatives
Hankel matrix
a square matrix in which each ascending skew-diagonal from left to right is constant
centering matrix
Kind of matrix