نتایج جستجو برای: continuous model theory

تعداد نتایج: 2875732  

2004
Roy D. Patterson Robert Milroy Michael Allerhand

A sound composed of the harmonics of 131 Hz produces the note C3 with a buzzy timbre if the components have equal amplitude and are in cosine phase. Notes with the same tone chroma and a tone height between C3 and C4 can be produced by 1) attenuating the lower harmonics of the sound, 2) attenuating the odd harmonics, or 3) shifting the phase of the odd harmonics. The effects of the manipulation...

1998
Alexander G. Tartakovsky

The sequential testing of many hypotheses is important for a variety of applications including multipleresolution-element radar and infrared systems, signal acquisition, clinical trials, etc. In this paper, we consider the behavior of a sequential test for many composite hypotheses assuming that the exact forms of distributions of observations under each hypothesis are not known (parametric or ...

2005
RS Ellis

In this paper we give a complete analysis of the phase transitions in the mean-field Blume–Emery–Griffiths lattice-spin model with respect to the canonical ensemble, showing both a second-order, continuous phase transition and a first-order, discontinuous phase transition for appropriate values of the thermodynamic parameters that define the model. These phase transitions are analyzed both in t...

2013
Khaled S. Refaat Arthur Choi Adnan Darwiche

EDML is a recently proposed algorithm for learning parameters in Bayesian networks. It was originally derived in terms of approximate inference on a meta-network which underlies the Bayesian approach to parameter estimation. While this initial derivation helped discover EDML in the first place and provided a concrete context for identifying some of its properties (e.g., in contrast to EM), the ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شاهد - دانشکده دندانپزشکی 1394

مقدمه و هدف : از زمانی که خواص فیزیکی ni-ti در سال 1988 شرح داده شده است، فایل های روتاری نیکل-تیتانیوم (ni-ti) به طور گسترده در درمان های اندودنتیک استفاده می شوند. این فایل ها مزایای زیادی نسبت به فایل های استنلس استیل (stainless steel) دارند. علی رغم این مزایا به نظر می رسد فایل های ni-ti نسبت به شکستن آسیب پذیرتر هستند. اخیرا فایل های نیکل تیتانیوم reciprocating معرفی شده ادعا می کنند مقاوم...

Journal: :Ergo, an Open Access Journal of Philosophy 2015

Journal: :international journal of iron & steel society of iran 2006
m. alizadeh h. edris a. shafyei

heat transfer mechanisms and the solidification process are simulated for a continuous casting machine and the geometric shape of the liquid pool is predicted considering different conditions. a heat transfer and solidification model is described for the continuous casting of steel slabs. the model has been established on the basis of the technical conditions of the slab caster in the continuou...

2005
Ansgar Fehnker Edmund M. Clarke Sumit Kumar Jha Bruce H. Krogh

Counterexample guided abstraction refinement, a powerful technique for verifying properties of discrete-state systems, has been extended recently to hybrid systems verification. Unlike in discrete systems, however, establishing the successor relation for hybrid systems can be a fairly expensive step since it requires evaluation and over-approximation of the continuous dynamics. It has been obse...

Journal: :The Journal of chemical physics 2016
M Oettel M Klopotek M Dixit E Empting T Schilling H Hansen-Goos

The equilibrium properties of hard rod monolayers are investigated in a lattice model (where position and orientation of a rod are restricted to discrete values) as well as in an off-lattice model featuring spherocylinders with continuous positional and orientational degrees of freedom. Both models are treated using density functional theory and Monte Carlo simulations. Upon increasing the dens...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2009
N Azimi-Tafreshi S Moghimi-Araghi

We study critical properties of the continuous Abelian sandpile model with anisotropies in toppling rules that produce ordered patterns on it. Also, we consider the continuous directed sandpile model perturbed by a weak quenched randomness, study critical behavior of the model using perturbative conformal field theory, and show that the model has a random fixed point.

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