In linear algebra, a diagonal matrix is a matrix (usually a square matrix) in which the entries outside the main diagonal (↘) are all zero. The diagonal entries themselves may or may not be zero. Thus, the matrix D = (di,j) with n columns and n rows is diagonal if:
近义、反义、联想词
近义词
n.
square matrix
英英词典
diagonal matrix n.
a square matrix with all elements not on the main diagonal equal to zero