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Related to Singular Matrix: identity matrix
singular matrix[′siŋ·gyə·lər ′mā·triks]
A matrix which has no inverse; equivalently, its determinant is zero.
a square matrix A = ǀǀaijǀǀ 1n of order n whose determinant is equal to zero—that is, whose rank is less than n. A matrix is singular if and only if there is a linear dependence between its rows and between its columns.