نتایج جستجو برای: hybrid criterion

تعداد نتایج: 266416  

2013
Yunxiao Zou Chunrong Fang Zhenyu Chen Xiaofang Zhang Zhihong Zhao

Testing criterion is a fundamental topic of software testing. A criterion is important to evaluate and drive a testing method. Code coverage is widely used in software testing, due to its simple implementation and effectiveness. Dynamic web techniques have been used to improve the usability and user experience of applications. However, it brings some new challenges for testing. Dynamic web appl...

Feature extraction is a very important preprocessing step for classification of hyperspectral images. The linear discriminant analysis (LDA) method fails to work in small sample size situations. Moreover, LDA has poor efficiency for non-Gaussian data. LDA is optimized by a global criterion. Thus, it is not sufficiently flexible to cope with the multi-modal distributed data. We propose a new fea...

2004
Alessandro Abate Ling Shi Slobodan N. Simić Shankar Sastry

This paper investigates the notion of stability for Stochastic Hybrid Systems. The uncertainty is introduced in the discrete jumps between the domains, as if we had an underlying Markov Chain. The jumps happen every fixed time T ; moreover, a result is given for the case of probabilistic dwelling times inside each domain. Unlike the more classical Hybrid Systems setting, the guards here are tim...

2012
Josef Tvrdík Ivan Krivý

We consider the problem of optimal partitional clustering of real data sets by optimizing three basic criteria (trace of within scatter matrix, variance ratio criterion, and Marriottt’s criterion). Four variants of the algorithm based on differential evolution with competing strategies are compared on eight real-world data sets. The experimental results showed that hybrid variants with k-means ...

In this paper, considering symmetric collapse mode for hybrid tubes, and using Tsai-Hill fracture criterion to take into account the off-axis strength of an orthotropic lamina, an analytical model is extended and an expression is derived for mean crushing load and fold lengths of circular hybrid tubes. In this model, the influences of the geometrical dimensions including diameter, thickness of ...

Journal: :Applied Mathematics and Computation 2015
Surong You Wei Mao Xuerong Mao Liangjian Hu

This paper discusses exponential stability of solutions for highly nonlinear hybrid pantograph stochastic differential equations(PSDEs). Two criteria are proposed to guarantee exponential stability of the solution. The first criterion is a Khasminskii-type condition involving general Lyapunov functions. The second is developed on coefficients of the equation in virtue of M-matrix techniques. Ba...

Journal: :Transactions of the Institute of Systems, Control and Information Engineers 2004

Journal: :Int. J. Control 2015
Corentin Briat Alexandre Seuret

We prove that the looped-functional considered in [1,2,3] for the analysis of sampled-data, impulsive and switched systems is “complete”, in the sense that it can be used to equivalently characterize a certain discrete-time stability criterion involving matrix exponentials. This result is derived for a wider class of linear systems, referred to as pseudo-periodic systems with impulses, encompas...

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