An overview of the most successful algorithms and techniques for solving large, sparse systems of equations and some algorithms and strategies for solving optimization problems. The most important topics dealt with concern iterative methods, especially Krylov methods, ordering techniques, and some iterative optimization tools. The book is a compendium of theoretical and numerical methods for solving large algebraic systems, special emphasis being placed on convergence and numerical behaviour as affected by rounding errors, accuracy in computing solutions for ill-conditioned matrices,...

The NATO Advanced Study Institute on "Computer algorithms for solving linear algebraic equations: the state of the art" was held September 9-21, 1990, at II Ciocco, Barga, Italy. It was attended by 68 students (among them many well known specialists in related fields ) from the following countries: Belgium, Brazil, Canada, Czechoslovakia, Denmark, France, Germany, Greece, Holland, Hungary, Italy, Portugal, Spain, Turkey, UK, USA, USSR, Yugoslavia. Solving linear equations is a fundamental task in most of computational mathematics. Linear systems which are now encountered in practice may be of...

El libro analiza el mito de Atlantida, propuesto por Platon, y la historia biblica del Exodo, limitada al recorrido hecho por Moises en el Sinai y a las causas de los eventos especiales presentados en la biblia, para los cuales si da una explicacion natural y no milagrosa. La isla de Atlantida es identificada con La Espanola, ahora Haiti y Santo Domingo. La causa de la catastrofe es propuesta en un pasaje cercano de un otro planeta, que habria cedido a la tierra un satelite devenido nuestra luna. Partiendo desde Paolo Orosius, asistente de San Agustin, los eventos del exodo son asociados a la...