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Zur Berechnung von Lösungen konsistenter linearer Gleichungssyteme mit singulärer Koeffizientenmatrix - MaRDI portal

Zur Berechnung von Lösungen konsistenter linearer Gleichungssyteme mit singulärer Koeffizientenmatrix (Q1059369)

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scientific article; zbMATH DE number 3903853
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Zur Berechnung von Lösungen konsistenter linearer Gleichungssyteme mit singulärer Koeffizientenmatrix
scientific article; zbMATH DE number 3903853

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    Zur Berechnung von Lösungen konsistenter linearer Gleichungssyteme mit singulärer Koeffizientenmatrix (English)
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    1986
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    Based on a roundoff error analysis, it is shown how to modify the well-known iterative refinement algorithm for nonsingular linear algebraic systems to get an algorithm for computing one of the solutions of a consistent system with quadratic singular matrix. The algorithm is given explicitly for symmetric matrices.
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    iterative refinement
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    consistent system
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    singular matrix
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