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>An Improved and Simplified Full-Newton Step O(n) Infeasible Interior-Point Method for Linear Optimization
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An Improved and Simplified Full-Newton Step O(n) Infeasible Interior-Point Method for Linear Optimization
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机译:线性简化的改进和简化的全牛顿步骤O(n)不可行内点方法
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摘要
We present an improved version of an infeasible interior-point method for linear optimization published in 2006. In the earlier version each iteration consisted of one so-called feasibility step and a few---at most three---centering steps. In this paper each iteration consists of only a feasibility step, whereas the iteration bound improves the earlier bound by a factor $2sqrt{2}$. The improvements are due to a new lemma that gives a much tighter upper bound for the proximity after the feasibility step.
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