The matrix is a diagonal matrix with non-zero entries

The matrix is symmetric about its main diagonal

The matrix has an inverse

Its computed determinant is exactly equal to zero

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The largest entry in the matrix

It is always zero

The product of entries in any row

The sum of all its entries

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The Gauss-Jacobi method for solving linear systems

Gaussian elimination with partial pivoting

The Gauss-Jordan method for solving nonlinear systems

Computing the inverse using the adjugate matrix

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