large sparse numerical optimization (8 résultats)

Paperback. Etat : Very Good. New York: Springer-Verlag, 1984. iv, 105 pp. 24.5 x 16.5 cm. Stiff paper wrappers printed silver and maroon with white and maroon lettering. Some rubbing to head of spine, with some light bumping and creasing to bottom corner of front cover. Moderate age toning throghout interior, which is clean and unmarked. Binding sound with no creases or cracks. . Soft Cover. Very Good.

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Taschenbuch. Etat : Neu. Druck auf Anfrage Neuware - Printed after ordering - 1 Large sparse systems of linear equations.- 2 Large sparse linear least squares.- 3 Large sparse linear programming.- 4 Nonlinear equations and nonlinear least squares.- 5 Large unconstrained optimization problems.- 6 Large sparse quadratic programs.

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Taschenbuch. Etat : Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -1 Large sparse systems of linear equations.- 2 Large sparse linear least squares.- 3 Large sparse linear programming.- 4 Nonlinear equations and nonlinear least squares.- 5 Large unconstrained optimization problems.- 6 Large sparse quadratic programs. 116 pp. Englisch.

Etat : New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. 1 Large sparse systems of linear equations.- 2 Large sparse linear least squares.- 3 Large sparse linear programming.- 4 Nonlinear equations and nonlinear least squares.- 5 Large unconstrained optimization problems.- 6 Large sparse quadratic programs.

Taschenbuch. Etat : Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - With new processor families appearing every few years, it is increasingly harder to achieve high performance rates in sparse matrix computations. This monograph studies new methods for sparse matrix factorizations and applies them efficiently while retaining ease of use of existing solutions. The implementations are timed and analyzed using a commonly accepted set of test matrices. Contemporary processors are used for the tests. The new factorization techniques are proven to be quite competitive with state of the art software. In addition, an optimization effort is applied to an iterative algorithm that stands out for its numerical robustness. This also gives satisfactory results on the tested computing platforms in terms of performance improvement. The same set of test matrices is used to enable an easy comparison between both investigated techniques, even though they are customarily treated separately in the literature. Possible extensions of the presented work range from easily conceivable merging with existing solutions to rather more evolved schemes dependent on hard to predict progress in theoretical and algorithmic research.