(anatomy) A highly cellular and highly vascularized region in the brain from which cells migrate out during brain development.

plural of Tutte matrix

(mathematics) Any one of three complex matrices that arise in Wolfgang Pauli's treatment of spin in quantum mechanics.

plural of Pauli matrix

(mathematics) A square matrix that is its own transpose, and is thereby symmetric about the main diagonal

That functions by use of a dot matrix

The layer which surrounds chondrocytes in cartilage. It is basophilic, and stains metachromatically due to proteoglycans.

(linear algebra) Of a matrix A, another matrix B such that A multiplied by B and B multiplied by A both equal the identity matrix.

(linear algebra, probability theory, statistics) A matrix having the property that the entries in each column are non-negative, real and sum to 1.

(mathematics) A matrix having the same number of rows as columns.