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micromath.wordpress.com | ||
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inventingsituations.net
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| | | | | I've just finished reading 'Turing's Cathedral,' an absolutely fascinating book on early computing. The book focuses almost entirely on John von Neumann's 'Electronic Computer Project' carried out at the Institute of Advanced Study in the 40's and 50's. In fact, Turing makes only occasional and brief appearances in the book: it's almost entirely a portrait... | |
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nla-group.org
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| | | | | by Sven Hammarling and Nick Higham It is often thought that Jim Wilkinson developed backward error analysis because of his early involvement in solving systems of linear equations. In his 1970 Turing lecture [5] he described an experience, during world war II at the Armament Research Department, of solving a system of twelve linear equations | |
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nhigham.com
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| | | | | For an $latex n\times n$ matrix $latex \notag A = \begin{bmatrix} A_{11} & A_{12} \\ A_{21} & A_{22} \end{bmatrix} \qquad (1) $ with nonsingular $latex (1,1)$ block $LATEX A_{11}$ the Schur complement is $LATEX A_{22} - A_{21}A_{11}^{-1}A_{12}$. It is denoted by $LATEX A/A_{11}$. The block with respect to which the Schur complement is taken need... | |
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www.madamegilflurt.com
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| | | Glorious Georgian dispatches from the long 18th century... | ||
