【摘 要】
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In a composite-step approach, a step sk is computed as the sum of two componentsvk and hk. The normal component vk, which is called the vertical step, aims to i
【机 构】
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LSEC, ICMSEC, Academy of Mathematics and System Sciences, Chinese Academy of Sciences, Beijing 10008
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In a composite-step approach, a step sk is computed as the sum of two componentsvk and hk. The normal component vk, which is called the vertical step, aims to improvethe linearized feasibility, while the tangential component hk, which is also called horizontalstep, concentrates on reducing a model of the merit functions. As a filter method, it reducesboth the infeasibility and the objective function. This is the same property of these twomethods. In this paper, one conces the composite-step like filter approach. That is, astep is tangential component hk if the infeasibility is reduced. Or else, sk is a compositestep composed of normal component vk and tangential component hk.
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