نتایج جستجو برای: threshold model
تعداد نتایج: 2195929 فیلتر نتایج به سال:
We study the shotgun assembly problem for lattice labeling model, where i.i.d. uniform labels are assigned to each vertex in a d-dimensional box of side length n. wish recover configuration on whole given empirical profile configurations all boxes r. determine threshold around which there is sharp transition from impossible with probability tending 1, possible an efficient algorithm 1. Our resu...
In this paper, we investigate a general time-periodic stoichiometric ODE model, which describes the algal growth. The model system has singularities induced by zero nitrogen concentration. We first observe that there exists threshold value $ \lambda_0 $, is exactly principal eigenvalue of nonlinear problem associated with homogeneous degree one system, and further show global dynamics in terms ...
Consider the discrete cube {−1,1}N and a random collection of half spaces which includes each space H(x):={y∈{−1,1}N:x·y≥κ N} for x∈{−1,1}N independently with probability p. Is intersection these empty? This is called Ising perceptron model under Bernoulli disorder. We prove that this event has sharp threshold, is, empty increases quickly from ϵ to 1−ϵ when p only by factor 1+o(1) as N→∞.
In this paper a compact current-voltage model for MOSFET-like Carbon Nanotube Field Effect Transistors (MOSFET-like CNFET) is presented. To model these devices the one-dimensional drain/source current equation obtained from Landauer approach must be solved self-consistently with the equation relates the Fermi surface and carrier concentration. Also, numerically solve of the integral over densit...
Due to some physiological and physical limitations in the brain and the eye, the human visual system (HVS) is unable to perceive some changes in the visual signal whose range is lower than a certain threshold so-called just-noticeable distortion (JND) threshold. Visual attention (VA) provides a mechanism for selection of particular aspects of a visual scene so as to reduce the computational loa...
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