(linear algebra) A square matrix with constant skew-diagonals (positive sloping diagonals).

(linear algebra) A matrix in which each descending diagonal from left to right is constant.

(linguistics) The dominant language in code-switching, into which elements of a secondary language are embedded.

plural of Hessian matrix

(mathematics) The square matrix of second-order partial derivatives of a scalar-valued function. It describes the local curvature of a function of many variables.

(graph theory) A matrix showing which vertices of a graph are adjacent to which other vertices.

(US, law) A legal defense in which the defendant claims to have committed a crime in the belief that he/she was not in the real world, but in a simulated reality.

plural of adjacency matrix

plural of zero matrix

plural of dot matrix