نتایج جستجو برای: growth parameter
تعداد نتایج: 1024525 فیلتر نتایج به سال:
Using the “glueball dominance” picture of the mixing between qq̄ mesons of different hidden flavors, we establish new glueball-meson mass relations which serve as a basis for glueball spectral systematics. For the tensor glueball mass 2.3 ± 0.1 GeV used as an input parameter, these relations predict the following glueball masses: M(0) ≃ 1.65 ± 0.05 GeV, M(1) ≃ 3.2 ± 0.2 GeV, M(2) ≃ 2.95 ± 0.15 G...
This paper presents an automatic FDP (Facial Definition Parameters) and FAP (Facial Animation Parameters) generation method from an image sequence that captures a frontal face. The proposed method is based on facial feature tracking without markers on a face. We present an efficient method to extract 2D facial features and to generate the FDP by applying 2D features to a generic face model. We ...
A secret sharing scheme permits a secret to be shared among participants in such a way that only qualiied subsets of participants can recover the secret. If any non qualiied subset has absolutely no information about the secret, then the scheme is called perfect. Unfortunately, in this case the size of the shares cannot be less than the size of the secret. Krawczyk 9] showed how to improve this...
This paper describes the application of finite-size scaling concepts to domain growth in systems with a non-conserved order parameter. A finite-size scaling ansatz for the timedependent order parameter distribution function is proposed, and tested with extensive Monte-Carlo simulations of domain growth in the 2-D spin-flip kinetic Ising model. The scaling properties of the distribution function...
In longitudinal research, interest often centers on individual trajectories of change over time. When there is missing data, a concern is whether data are systematically missing as a function of the individual trajectories. Such a missing data process, termed random coefficient-dependent missingness, is statistically non-ignorable and can bias parameter estimates obtained from conventional grow...
We analyze the implications of different welfare criteria on economic and population growth in the case of stochastic population change. Edgeworth (1925) argues that total utilitarianism leads to a lower economic performance and a larger population size than average utilitarianism. Following works show that while his intuition holds in a static framework, the result is unclear in a dynamic sett...
In this work, an optimization-based approach is presented which recognises the switching to new parameters or even to a different model at a certain growth rate improving the quality of model prediction for different time horizon lengths. For the dynamic automatic adjustment to changing kinetics, a moving horizon estimator (MHE) is used. Experimental data from cultivation of Ustilago maydis are...
We formulate a novel host parasite model to study the dynamics of the outbreak of the gypsy moths. Assuming a Ricker dynamics for the host population and an infestation that takes place after the growth limitations take effect in the plant dynamics, a two dimensional discrete model of the leaf mass and the gypsy moths mass is constructed. The parameter space is determined by the growth rate of ...
Native poultry is a valuable genetic source with high resistance against diseases providing an important subject for breeding programs. The non-linear mathematical modeling of the growth pattern may partly explain the relationship between requirements and body weight to precise feeding that plays a vital role in the animal enterprises. A study was conducted to compare five non-linear models inc...
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