Titlebook: Numerical Analysis and Optimization; NAO-IV, Muscat, Oman Mehiddin Al-Baali,Lucio Grandinetti,Anton Purnama Conference proceedings 2018 Spr

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書目名稱Numerical Analysis and Optimization影響因子(影響力)




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Springer Proceedings in Mathematics & Statisticshttp://image.papertrans.cn/n/image/668935.jpg

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https://doi.org/10.1007/978-3-319-90026-1Numerical Analysis; Mathematical Optimization; Quasi-Newton Methods; Numerical Linear Algebra; Control T

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A Competitive Error in Variables Approach and Algorithms for Finding Positive Definite Solutions of target matrices are rank deficient. Here, after giving a detailed review of the proposed algorithms, we rewrite the algorithms by use of the Householder tridiagonalization instead of spectral decomposition. We then show that in case of full rank data and target matrices, the Householder tridiagonal

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Sparse Direct Solution on Parallel Computers,ompare these implementations to ., a state-of-the-art DAG-based solver for positive definite systems. We demonstrate comparable performance on a multicore architecture. We also consider the case when the matrix is symmetric indefinite. For highly unsymmetric systems, we use a completely different ap

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Revisiting Expression Representations for Nonlinear AMPL Models,re some expression-graph representations for use in computing function, gradient, and Hessian values, and for extracting some auxiliary problem information. In particular, we describe some details of an updated AMPL/solver interface library that uses operation lists to represent expressions.