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- W2095337612 abstract "In this paper, we specialize Gill et al.'s projected Newton barrier method to solve a large-scale linear program of dynamic (i.e. multistage) Leontief-type constraints. We propose an efficient and stable method for solving the least-squares subproblems, the crucial part of the barrier method. The key step is to exploit a special structure of the constraint matrix and reduce the matrix of the normal equation for the least-squares problem to a banded matrix. By comparing the average-case operations count of this specialized barrier method with that of the sparse simplex method, we show that this method performs at least O(T) faster than the simplex method for such stype of linear programs, where T is the number of time periods (i.e. stages)." @default.
- W2095337612 created "2016-06-24" @default.
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- W2095337612 date "1992-08-01" @default.
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- W2095337612 title "A barrier method for dynamic Leontief-type linear programs" @default.
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- W2095337612 doi "https://doi.org/10.1016/0377-2217(92)90081-j" @default.
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