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The document describes a linear system of equations with 3 unknown variables (x1, x2, x3) and 3 equations. It can be written in matrix form as Ax=b, where A is a 3x3 coefficient matrix, x is a column vector of the unknowns, and b is a column vector of the constants. The Gauss elimination method is described to solve such systems, involving forward elimination to transform the matrix into upper triangular form, followed by back substitution to solve for the unknowns. Pivoting techniques like partial pivoting

Author

srkhougang

Language

EN