نتایج جستجو برای: curvilinear function lf for each model

تعداد نتایج: 11388982  

2006

Denda and Marante [1] have developed the boundary element method for the mixed mode fracture analysis of multiple curvilinear cracks in the general anisotropic solids in two dimensions for which in-plane Mode I, II, and out-of-plane Mode III, of fracture are coupled. They have developed the crack tip singular element (CTSE) to model any curvilinear cracks, including center and edge cracks. The ...

2010
Henning Omre

The focus of our study is lithology/fluid inversion with spatial coupling from prestack seismic amplitude variation with offset AVO data and well observations. The inversion is defined in a Bayesian setting where the complete solution is the posterior model. The prior model for the lithology/fluid LF characteristics is defined as a profile Markov randomfield model with lateral continuity. Each ...

2015
Torsten Slowinski Stanislao Morgera Michael Joannidis Thomas Henneberg Reto Stocker Elin Helset Kirsti Andersson Markus Wehner Justyna Kozik-Jaromin Sarah Brett Julia Hasslacher John F. Stover Harm Peters Hans-H. Neumayer Detlef Kindgen-Milles

INTRODUCTION Regional citrate anticoagulation (RCA) for continuous renal replacement therapy is widely used in intensive care units (ICUs). However, concern exists about the safety of citrate in patients with liver failure (LF). The aim of this study was to evaluate safety and efficacy of RCA in ICU patients with varying degrees of impaired liver function. METHODS In a multicenter, prospectiv...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده ریاضی 1390

abstract: in the paper of black and scholes (1973) a closed form solution for the price of a european option is derived . as extension to the black and scholes model with constant volatility, option pricing model with time varying volatility have been suggested within the frame work of generalized autoregressive conditional heteroskedasticity (garch) . these processes can explain a number of em...

1997
T. Meier

The pump-probe signal from the light-harvesting antenna LH2 of purple bacteria is analyzed using a Green function expression derived by solving the nonlinear exciton-oscillator equations of motion (NEE). A microscopic definition of the exciton mean free path (Lf) and localization size (LF) is given in terms of the off-diagonal elements of the exciton Green function and density matrix, respectiv...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2006
Annabel Guichard Jin Mo Park Beatriz Cruz-Moreno Michael Karin Ethan Bier

Many bacterial toxins act on conserved components of essential host-signaling pathways. One consequence of this conservation is that genetic model organisms such as Drosophila melanogaster can be used for analyzing the mechanism of toxin action. In this study, we characterize the activities of two anthrax virulence factors, lethal factor (LF) and edema factor, in transgenic Drosophila. LF is a ...

2004
W. Voges

We constructed the composite luminosity function (LF) of clusters of galaxies in the five SDSS photometric bands u,g,r,i and z from the RASS-SDSS galaxy cluster catalog. Background and foreground galaxies are subtracted using both a local and a global background correction to take in account the presence of large scale structures and variations from field to field, respectively. The composite L...

Journal: :Appl. Soft Comput. 2011
Shuyuan Yang Min Wang Licheng Jiao

To approximate the multivariate functions with spatial inhomogeneity, in this paper we proposed an ortho-ridgelet neural network (ORNN) model. By taking orthonormal ridgelet, which is a “true” ridgelet function different with the “classic” ridgelet, as the activation function of the hidden neurons, the network is characterized of more efficient representation of a set of functions with linear a...

Journal: :Chinese Journal of Systems Engineering and Electronics 2021

The multi-compartment electric vehicle routing problem (EVRP) with soft time window and multiple charging types (MCEVRP-STW&MCT) is studied, in which vehicles that are environmentally friendly but need to be recharged course of transport process, employed. A mathematical model for this optimization established the objective minimizing function composed cost, distribution penalty cost service co...

Journal: :IEEE Trans. Pattern Anal. Mach. Intell. 2001
Joost van de Weijer Lucas J. van Vliet Piet W. Verbeek Michael van Ginkel

ÐCurved oriented patterns are dominated by high frequencies and exhibit zero gradients on ridges and valleys. Existing curvature estimators fail here. The characterization of curved oriented patterns based on translation invariance lacks an estimation of local curvature and yields a biased curvaturedependent confidence measure. Using parameterized curvilinear models we measure the amount of loc...

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