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The document summarizes three methods for calculating determinants of matrices: 1. Using Gaussian elimination to convert the matrix to upper triangular form, where the determinant is the product of the diagonal elements (pivots). 2. Deriving the "big formula" for determinants as the sum of the products of entries from different rows/columns with a sign term based on row permutations. 3. Expressing the determinant of a 3x3 matrix in terms of the determinants of its 2x2 submatrices (cofactors), which can
- Author
- Civil Geomatic
- Language
- EN