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本文讲述了走走停停行程问题中.每行进固定的距离两人就休息相同的时间而产生的追及问题的解法.并把它推广为两人休息时同点不同的一类题的解法. 相似文献
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Phase space reconstruction is the first step to recognizing
the chaos from observed time series. On the basis of differential
entropy, this paper introduces an efficient method to estimate the
embedding dimension and the time delay simultaneously. The
differential entropy is used to characterize the disorder degree of
the reconstructed attractor. The minimum value of the differential
entropy corresponds to the optimum set of the reconstructed
parameters. Simulated experiments show that the original phase space
can be effectively reconstructed from time series, and the
accuracy of the invariants in phase space reconstruction is greatly
improved. It provides a new method for the identification of chaotic
signals from time series. 相似文献
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