Definition of unit matrix in English:

unit matrix


  • another term for identity matrix
    • ‘For example multiply the unit matrix by a constant, or use a simple scalar multiplication by the unit matrix to obtain the diagonal elements of a given matrix.’
    • ‘For example, the matrices describing the identity mapping and the inversion are orthogonal in any basis, viz the unit matrix and the negative unit matrix.’
    • ‘The unit matrix is a unit that provides objects for the common two, three and four dimensional vectors matrixes.’
    • ‘In the case of the unit matrix, we call either column major.’
    • ‘The matrix J is a signature matrix of the form where the two unit matrices do not necessarily have the same dimensions.’