Abstract:
The concepts of the principal solution to infinite systems of linear algebraic equations and the reduction method are defined more precisely. The principal solution, if it exists, is a strictly particular solution to the infinite system. If the reduction method is convergent, then it necessarily converges to Kramer’s determinant; however, Kramer’s determinant is not always a solution to the infinite system. To confirm the obtained results, analytical and numerical solutions of specific infinite system are considered.
Key words:infinite systems of linear algebraic equations, Gaussian elimination, Kramer's determinant, Gaussian systems, reduction method in the narrow and wide sense.
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