نتایج جستجو برای: moment equations method

تعداد نتایج: 1848949  

2010
Gang Li Kai Zhang

This paper presents a combined reliability analysis approach which is composed of Dimension Reduction Method (DRM) and Maximum Entropy Method (MEM). DRM has emerged as a new approach in this field with the advantages of its sensitivity-free nature and efficiency instead of searching for the most probable point (MPP). However, in some recent implementations, the Moment Based Quadrature Rule (MBQ...

Journal: :computational methods for differential equations 0
khalid k. ali department of mathematics, faculty of since, al-azhar univesity kamal raslan mathematics department, faculty of science, al-azhar university, nasr-city, cairo, egypt. talaat el danaf mathematics department, faculty of science, menoufia university, shebein el-koom, egypt.

in this paper, non-polynomial spline method for solving coupled burgers’ equations are presented. we take a new spline function. the stability analysis using von-neumann technique shows the scheme is unconditionally stable. to test accuracy the error norms2l, ∞l are computed and give two examples to illustrate the sufficiency of the method for solving such nonlinear partial differential equatio...

Journal: :journal of mahani mathematical research center 0

0

2006
Robert W. Scharstein

The electrostatic problem of a hollow, conducting tube of finite length held at a fixed potential is solved using two methods. A twoterm Galerkin solution is constructed for the surface distribution of induced charge. The sum of a uniform component and a simple edgecondition term provides a variational solution to the dual integral equations that are the equations-of-motion for the mixed bounda...

Journal: :computational methods for differential equations 0
ahmad neirameh gonbad kavous university saeid shokooh gonbad kavous university mostafa eslami mazandaran university

some preliminaries about the integrable families of riccati equations and solutions structure of these equations in several cases are presented in this paper, then by using of definitions for fractional derivative we apply the new extended of tanh method to the perturbed nonlinear fractional schrodinger equation with the kerr law nonlinearity. finally by using of this method and solutions of ri...

Journal: :journal of medical signals and sensors 0
mohammad taghi karimi nima jamshidi

measurement of the loads exerted on the limb is a fundamental part of designing of an assistive device, which has been done by using strain gauges or a transducer. although calculation of loads applied on an orthosis coefficients achieved from calibration is a standard way, most of researchers determined the loads based on available equations. therefore, the aim of this research is finding the ...

2014
Mohammad Soltani Cesar Vargas Niraj Kumar Rahul Kulkarni Abhyudai Singh

Auto-regulation, a process wherein a protein negatively regulates its own production, is a common motif in gene expression networks. Negative feedback in gene expression plays a critical role in buffering intracellular fluctuations in protein concentrations around optimal value. Due to the nonlinearities present in these feedbacks, moment dynamics are typically not closed, in the sense that the...

Journal: :Computer methods and programs in biomedicine 2014
Kunthel By Bahjat F. Qaqish John S. Preisser Jamie Perin Richard C. Zink

This article describes a new software for modeling correlated binary data based on orthogonalized residuals, a recently developed estimating equations approach that includes, as a special case, alternating logistic regressions. The software is flexible with respect to fitting in that the user can choose estimating equations for association models based on alternating logistic regressions or ort...

1973
DAVID HESTENES

By a new method, the Dirac electron theory is completely reexpressed as a set of conservation laws and constitutive relations for local observables, describing the local distribution and flow of mechanical quantities. The coupling of the electromagnetic field to the electron is shown to be determined by the definitions of the observables rather than by the Dirac equation. Planck’s constant appe...

Journal: :Optimization Methods and Software 2008
Dan Butnariu Ben Zion Shklyar

The Cimmino algorithm is an interative projection method for finding almost common points of measurable families of closed convex sets in a Hilbert space. When applied to Fredholm equations of the first kind the Cimmino algorithm produces weak approximations of solutions provided that solutions exist. We show that for consistent Fredholm equations of the first kind whose data satisfy some spect...

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