The meaning of det mathematical symbol
Det stands for the determinant of a matrix and represents the product of the eigenvalues of the matrix corresponding to the linear transformation of a square matrix. According to the public display of the query, the determinant is a scalar, which describes some properties of a matrix, such as reversibility, area, volume and so on. The calculation of determinant involves the concept of staggered sum, which is usually calculated by Laplace expansion, Gaussian elimination and other methods.