نتایج جستجو برای: dependence parameter
تعداد نتایج: 363153 فیلتر نتایج به سال:
For a family of dynamical systems we define sensitive dependence on parameters in a way resembling Guckenheimer’s definition of sensitive dependence on initial conditions. While sensitive dependence on initial conditions tells us that if we know the initial condition only approximately then we cannot make deterministic predictions, sensitive dependence on parameters tells us that if we know the...
It is widely accepted that the violation of Bell inequalities excludes local theories of the quantum realm. In this paper I present a stronger Bell argument which even forbids certain non-local theories. The remaining non-local theories, which can violate Bell inequalities, are characterised by the fact that at least one of the outcomes in some sense probabilistically depends both on its distan...
In this study, we assessed the effect of local dependence on item parameter estimation based on comparable item parameters, using Markov Chain Monte Carlo method. The results showed that if we estimate item parameters ignoring local dependence, item parameter estimation will be more inaccurate than taking local dependence into account. Furthermore, it was supposed that the result of previous wo...
in this paper, the temperature dependence of some characteristics of cylindrical gate-all-around si nanowire field effect transistor (gaa-si-nwfet) is investigated to representing the temperature nano-sensor structures and improving their performance. firstly, we calculate the temperature sensitivity of drain-source current versus the gate-source voltage of gaa-si-nwfet to propose the temperatu...
The electron subband structure in a thin (100) silicon film is analyzed based on a two-band k·p theory. For unprimed subbands the dependence of the nonparabolicity parameter on film thickness is obtained. The two-band k·p theory gives a thickness dependence of the effective masses for primed subbands. Limitations of the model are discussed. The importance of the nonparabolicity parameter depend...
We present the results of a large scale computer simulation of su-percooled silica. We find that at high temperatures the diffusion constants show a non-Arrhenius temperature dependence whereas at low temperature this dependence is also compatible with an Arrhe-nius law. We demonstrate that at low temperatures the intermediate scattering function shows a two-step relaxation behavior and that it...
The frequency of homologous recombination is believed to be a linear function of the length (N bp) of homology between DNAs. Here, the N intercept is believed to be determined by a threshold length below which some physical constraint is effective. In the mammalian gene targeting systems, however, the frequency depends more steeply than linearly on the homology length. To explain both the linea...
Most statistical methods for censored survival data assume there is no dependence between the lifetime and censoring mechanisms, an assumption which is often doubtful in practice. In this paper we study a parametric model which allows for dependence in terms of a parameter delta and a bias function B(t, theta). We propose a sensitivity analysis on the estimate of the parameter of interest for s...
In this paper, the solitary waves in coupled nonlinear Schrodinger equations are classified into infinite families. For each of the first three families, the parameter region is specified and the parameter dependence of its solitary waves described and explained. We found that the parameter regions of these solution families are novel and irregular, and the parameter dependence of the solitary ...
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