Definitions for "Sparse matrix"
Keywords:  nonzero, matrix, zero, few, elements
(n.) A matrix with the majority of its elements equal to zero. See also full matrix.
A linear system which can be described as , where is an -by- matrix, and and are dimensional vectors. A system of this kind is considered sparse if the matrix has a small percentage of nonzero terms (less than 10%, often less than 1%).
a Matrix in which most of the elements are zero