نتایج جستجو برای: higher order diffraction coefficient

تعداد نتایج: 1953095  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه امام رضا علیه السلام - دانشکده زبانهای خارجی 1391

abstract this study tried to investigate whether there was any significant relationship between technical translation quality of the senior english translation students and their levels of verbal-linguistic, visual-spatial and interpersonal intelligences. in order to investigate the research questions, the researcher selected a hundred senior english translation students from three universitie...

2002
Paolo Battocchio Francesco Menoncin

We consider a stochastic model for a defined-contribution pension fund in continuous time. In particular, we focus on the portfolio problem of a fund manager who wants to maximize the expected utility of his terminal wealth in a complete financial market with stochastic interest rate. The fund manager must cope with a set of stochastic investment opportunities and two background risks: the sala...

2004
Gordon W. Semenoff

Wilson loops which are small deviations from straight, infinite lines, called wavy lines, are considered in the context of the AdS/CFT correspondence. A single wavy line and the connected correlation function of a straight and wavy line are considered. It is argued that, to leading order in “waviness”, the functional form of the loop is universal and the coefficient, which is a function of the ...

Journal: :Computer Physics Communications 2004
N. Mohankumar Scott M. Auerbach

In many situations, the numerical derivative of a function at a point x must be calculated since the function is not defined by a closed-form expression, but rather by values of the function at grid points at and around x. This typically arises when enforcing the boundary conditions while solving a differential equation. Usually, one employs a 2or 3-point formula to approximate the derivative. ...

Journal: :IBM Journal of Research and Development 2001
Boris Fain Yu Xia Michael Levitt

We describe the development of a scoring function designed to model the hydrophobic effect in protein folding. An optimization technique is used to determine the best functional form of the hydrophobic potential. The scoring function is expanded using the Chebyshev polynomials, for which the coefficients are determined by minimizing the Z-score of native structures in the ensembles of alternate...

Journal: :Mathematics and Computers in Simulation 2004
F. A. Rodrigues Helcio R. B. Orlande George S. Dulikravich

This work deals with the use of the conjugate gradient method in conjunction with an adjoint problem formulation for the simultaneous estimation of the spatially varying diffusion coefficient and of the source term distribution in a one-dimensional nonlinear diffusion problem. In the present approach, no a priori assumption is required regarding the functional form of the unknowns. This work ca...

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