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基于Matlab的Poisson分布随机数的Monte carlo模拟 总被引:1,自引:0,他引:1
给出了三种随机模拟:Poisson分布随机数的方法,用Matlab7.0软件实现了对Poisson分布随机数的随机模拟,并用随机模拟的方法解决了商品销售、母鸡下蛋等实际应用问题. 相似文献
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投资基金业绩评价的DEA方法 总被引:1,自引:0,他引:1
对近几年来我国的证券投资基金业绩评价理论进行了系统回顾和总结.在分析了传统评价方法不足的基础上,对比以往文献样本容量更大和样本区间长度更长的样本,选取适当的投入指标和产出指标,运用数据包络分析方法(即DEA评价方法)对2001年1月至2005年6月共222周的33只基金的业绩进行了实证分析,以期对我国的投资基金业绩做出正确和客观的评价. 相似文献
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Synchronising chaotic Chua’s circuit using switching feedback control based on piecewise quadratic Lyapunov functions 下载免费PDF全文
This paper investigates the chaos synchronisation between
two coupled chaotic Chua's circuits. The sufficient condition presented
by linear matrix inequalities (LMIs) of global asymptotic
synchronisation is attained based on piecewise quadratic Lyapunov
functions. First, we obtain the piecewise linear differential
inclusions (pwLDIs) model of synchronisation error dynamics, then we
design a switching (piecewise-linear) feedback control law to
stabilise it based on the piecewise quadratic Laypunov functions.
Then we give some numerical simulations to demonstrate the
effectiveness of our theoretical results. 相似文献
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$\mathcal{H}_{\infty }$ state estimation for Markov jump neural networks with transition probabilities subject to the persistent dwell-time switching rule 下载免费PDF全文
We investigate the problem of $\mathcal{H}_{\infty}$ state estimation for discrete-time Markov jump neural networks. The transition probabilities of the Markov chain are assumed to be piecewise time-varying, and the persistent dwell-time switching rule, as a more general switching rule, is adopted to describe this variation characteristic. Afterwards, based on the classical Lyapunov stability theory, a Lyapunov function is established, in which the information about the Markov jump feature of the system mode and the persistent dwell-time switching of the transition probabilities is considered simultaneously. Furthermore, via using the stochastic analysis method and some advanced matrix transformation techniques, some sufficient conditions are obtained such that the estimation error system is mean-square exponentially stable with an $\mathcal{H}_{\infty}$ performance level, from which the specific form of the estimator can be obtained. Finally, the rationality and effectiveness of the obtained results are verified by a numerical example. 相似文献
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Discontinuous event-trigger scheme for global stabilization of state-dependent switching neural networks with communication delay 下载免费PDF全文
This paper is concerned with the global stabilization of state-dependent switching neural networks(SDSNNs)viadiscontinuous event-triggered control with network-induced communication delay.Aiming at decreasing triggering times,a discontinuous event-trigger scheme is utilized to determine whether the sampling information is required to be sent outor not.Meanwhile,under the effect of communication delay,the trigger condition and SDSNNs are transformed into twotractable models by designing a fictitious delay function.Then,using the Lyapunov–Krasovskii stability theory,someinequality estimation techniques,and extended reciprocally convex combination method,two sufficient criteria are established for ensuring the global stabilization of the resulting closed-loop SDSNNs,respectively.A unified framework isderived that has the ability to handle the simultaneous existence of the communication delay,the properties of discontinuousevent-trigger scheme,as well as feedback controller design.Additionally,the developed results demonstrate a quantitativerelationship among the event trigger parameter,communication delay,and triggering times.Finally,two numerical examples are presented to illustrate the usefulness of the developed stabilization scheme. 相似文献
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