منابع مشابه
Just relax and concentrate on your breathing.
“Just relax and concentrate on your breathing” is a comment that is heard by almost all patients attending an emergency department with an exacerbation of acute asthma. It’s meant to reassure the patient but has exactly the opposite effect. I have severe asthma and often have to attend my local emergency department with acute attacks. These attacks leave me struggling to breathe; sitting up is ...
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Bounded rationality is a very important framework for understanding rationality in both natural and artificial systems. In this paper, we aim to bridge the gap between bounded rationality and reinforcement learning, which has also proven very fruitful in both types of intelligent systems. A lot of reinforcement learning work has focused on Markov Decision Processes, where optimal policies can b...
متن کاملA Relax-and-Cut Framework for Gomory's Mixed-Integer Cuts
Various elaborations of the basic idea are presented, that lead to very fast—yet accurate—variants of the basic scheme. Very encouraging computational results are presented, with a comparison with alternative techniques from the literature also aimed at improving the GMIC quality. We also show how our method can be integrated with other cut generators, and successfully used in a cut-and-branch ...
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Gomory mixed-integer cuts (GMICs) are widely used in modern branchand-cut codes for the solution of mixed-integer programs. Typically, GMICs are iteratively generated from the optimal basis of the current linear programming (LP) relaxation, and immediately added to the LP before the next round of cuts is generated. Unfortunately, this approach is prone to instability. In this paper we analyze a...
متن کاملJust cut the red tape.
I spoke recently to non-UK nursing students and newly qualified nurses about their experience of the immigration process. They described similar feelings of frustration, discrimination and uncertainty to my own.
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ژورنال
عنوان ژورنال: Nature Reviews Molecular Cell Biology
سال: 2015
ISSN: 1471-0072,1471-0080
DOI: 10.1038/nrm3954