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- W4234591907 abstract "This paper presents a numerical comparison between algorithms for unconstrained optimization that take account of sparsity in the second derivative matrix of the objective function. Some of the methods included in the comparison use difference approximation schemes to evaluate the second derivative matrix and others use an approximation to it which is updated regularly using the changes in the gradient. These results show what method to use in what circumstances and also suggest interesting future developments." @default.
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- W4234591907 date "1978-07-01" @default.
- W4234591907 modified "2023-10-18" @default.
- W4234591907 title "Some Numerical Results Using a Sparse Matrix Updating Formula in Unconstrained Optimization" @default.
- W4234591907 doi "https://doi.org/10.2307/2006489" @default.
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