نتایج جستجو برای: continuous processes

تعداد نتایج: 770974  

2015
Clifton McFate Kenneth Forbus

Qualitative Process theory provides a formal representation for human-like models of continuous processes. However, qualitative reasoning systems frequently rely on hand-made models which inhibits expansion into new domains. A representation that unifies QP theory with natural language expressions would allow these systems to expand their models by reading and interaction, thus greatly increasi...

Journal: :Israel Journal of Mathematics 2022

We show that a large class of stationary continuous-time regenerative processes are finitarily isomorphic to one another. The key is showing any renewal point process whose jump distribution absolutely continuous with exponential tails Poisson process. further give simple necessary and sufficient conditions for be This improves results answers several questions Soo [33] Kosloff [19].

2007
Johan Samuelsson

These days the use of models to predict process behaviour has become more and more common. The main reasons for this are that it is more practical and economical than using for example the trial and error method with expensive equipment. In the field of preparative chromatography the use of models to predict process behaviour has been proven to be very useful, especially for batch chromatograph...

Journal: :Pattern Recognition 1999
Andrea Torsello Marcello Pelillo

We study the dynamical properties of two new relaxation labeling schemes described in terms of di!erential equations, and hence evolving in continuous time. This contrasts with the customary approach to de"ning relaxation labeling algorithms which prefers discrete time. Continuous-time dynamical systems are particularly attractive because they can be implemented directly in hardware circuitry, ...

2000
XIANPING GUO WEIPING ZHU Xianping Guo Weiping Zhu

In this paper, we consider denumerable state continuous time Markov decision processes with (possibly unbounded) transition and cost rates under average criterion. We present a set of conditions and prove the existence of both average cost optimal stationary policies and a solution of the average optimality equation under the conditions. The results in this paper are applied to an admission con...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2002
Michael Small Kevin Judd Alistair Mees

Experimental and simulated time series are necessarily discretized in time. However, many real and artificial systems are more naturally modeled as continuous-time systems. This paper reviews the major techniques employed to estimate a continuous vector field from a finite discrete time series. We compare the performance of various methods on experimental and artificial time series and explore ...

Journal: :Stochastic Processes and their Applications 1973

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