نتایج جستجو برای: growth parameter

تعداد نتایج: 1024525  

1996
Subhashis Ghosal

We study consistency and asymptotic normality of posterior distributions of the natural parameter for an exponential family when the dimension of the parameter grows with the sample size. Under certain growth restrictions on the dimension, we show that the posterior distributions concentrate in neighbourhoods of the true parameter and can be approximated by an appropriate normal distribution.

Journal: :Bulletin of mathematical biology 2014
E A Sarapata L G de Pillis

Determining the mathematical dynamics and associated parameter values that should be used to accurately reflect tumor growth continues to be of interest to mathematical modelers, experimentalists and practitioners. However, while there are several competing canonical tumor growth models that are often implemented, how to determine which of the models should be used for which tumor types remains...

Journal: :International journal of food microbiology 2003
Régis Pouillot Isabelle Albert Marie Cornu Jean Baptiste Denis

The usefulness of risk assessment is limited by its ability or inability to model and evaluate risk uncertainty and variability separately. A key factor of variability and uncertainty in microbial risk assessment could be growth variability between strains and growth model parameter uncertainty. In this paper, we propose a Bayesian procedure for growth parameter estimation which makes it possib...

2001
Daisuke Satoh Shigeru Yamada

We propose a criterion to determine a more appropriate software reliability growth model in the early development phase. The criterion with a discrete software reliability growth model determines the absolute worth of a model because the discrete software reliability growth model perfectly reproduces the parameter estimates when the data are used as an exact solution of the equation. The values...

In this investigation a non-equilibrium thermodynamic model of the temperature dependent biological growth of a living systems has been analyzed. The results are derived on the basis of Gompertzian growth equation. In this model, we have considered the temperature dependent growth rate and development parameter. The non-equilibrium thermodynamic model is also considered for exploring the variat...

  The main purpose of this study is to investigate the effects of economic growth rate shock on the selected industries value in the Tehran Stock Exchange; For this purpose, in the present study, the effects of economic growth rate shock were investigated by applying the time-varying parameter factor-augmented vector autoregressive model (TVP-FAVAR) and using quarterly data during the period (2...

ژورنال: Anatomical Sciences Journal 2011
Esmaeilzadeh, Mahdi, Molaei, Mahdi, Shahghasemi, Hamid Reza, Bagheri, Hojat, Farhadi , Abalfazl, Farhadi, Sadegh,

Purpose: The purpose of this study is to present a cranifacial growth model using anthropometry based on changes observed in the human face. Materials and Methods: This cross sectional analytical study was conducted randomly on 45 pepole, with normal face patterns.Facial and cranial ratios were measured and compared. Data was analyzed by SPSS software. The regression line and the growth coeffic...

2010
Marc Georgelin Alain Pocheau

We experimentally characterize the whole shape of growth cells in directional solidification, from their tip to their grooves, and in a large domain of control parameter. For this a library of cell shapes is determined and fitted to a class of definite shape functions. This first global characterization of cell geometry in both the real space and the control parameter space provides a firm grou...

Journal: :IEEE Trans. Circuits Syst. Video Techn. 1999
Fabio Lavagetto Roberto Pockaj

In this paper we propose a method for implementing a high-level interface for the synthesis and animation of animated virtual faces that is in full compliance with MPEG-4 specifications. This method allows us to implement the Simple Facial Object profile and part of the Calibration Facial Object Profile. In fact, starting from a facial wire-frame and from a set of configuration files, the devel...

Journal: :J. Comb. Theory, Ser. B 2003
Ed Swartz

A g-element for a graded R-module is a one-form with properties similar to a Lefschetz class in the cohomology ring of a compact complex projective manifold, except that the induced multiplication maps are injections instead of bijections. We show that if k(∆) is the face ring of the independence complex of a matroid and the characteristic of k is zero, then there is a non-empty Zariski open su...

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