نتایج جستجو برای: nonlinear code

تعداد نتایج: 382702  

Journal: :journal of structural engineering and geo-techniques 2012
seiyed ali haj seiyed taghia a.s. moghadam

this paper examines differences in performances of a range of torsionally stiff and flexible single story buildings designed with the provisions of iranian standard 2800. seismic nonlinear dynamic time history behavior of eight building models subjected to seven horizontal bi-directional design spectra compatible ground motions are investigated. these models cover a wide range of very torsional...

Journal: :IEEE Trans. Information Theory 1986
Gérard D. Cohen Antoine Lobstein N. J. A. Sloane

A number of upper and lower bounds are obtained for K( n, R), the minimal number of codewords in any binary code of length n and covering radius R. Several new constructions are used to derive the upper bounds, including an amalgamated direct sum construction for nonlinear codes. This construction works best when applied to normal codes, and we give some new and stronger conditions which imply ...

Journal: :Computer Physics Communications 2011
Xavier Saez Alejandro Soba Edilberto Sanchez Ralf Kleiber Francisco Castejón-Magaña José María Cela

EUTERPE is a Lagrangian or particle-in-cell (PIC) gyrokinetic code for the simulation of fusion plasma instabilities. The aim of this code is to address global linear and nonlinear simulations of fusion plasmas in threedimensional geometries, in particular in stellarators. EUTERPE, like other gyrokinetic codes, is at the forefront of plasma simulations and requires a huge amount of computationa...

A. A. Fakhimi,

CA2 (Continuum Analysis, 2- dimensional) is a computer program developed by the author. CA2 can solve a variety of complex geotechnical problems using explicit finite difference method. In this paper, an introduction will be given to the theoretical and numerical basis of the program and the capability of the code will be shown by solving a few interesting nonlinear and transient problems. Fina...

In this paper, we proposed an all optical 4-to-2 encoder that has 4 input and 3 output ports. This device generates a 2 bit binary code based on which input port is active. We used nonlinear photonic crystal ring resonators along with optical power splitter for realizing the proposed encoder. In this device the switching rate and area are obtained about 333 GHz and 612µm2 respectively.

A. A. Fakhimi,

CA2 (Continuum Analysis, 2- dimensional) is a computer program developed by the author. CA2 can solve a variety of complex geotechnical problems using explicit finite difference method. In this paper, an introduction will be given to the theoretical and numerical basis of the program and the capability of the code will be shown by solving a few interesting nonlinear and transient problems. Fina...

2018
Yunwen Liu Vincent Rijmen Gregor Leander

In the practice of block cipher design, there seems to have grown a consensus about the diffusion function that designers choose linear functions with large branch numbers to achieve provable bounds against differential and linear cryptanalysis. In this paper, we propose two types of nonlinear functions as alternative diffusing components. One is based on a nonlinear code with parameters (16,25...

Journal: :روش های عددی در مهندسی (استقلال) 0
احمد علی فخیمی a. a. fakhimi

ca2 (continuum analysis, 2- dimensional) is a computer program developed by the author. ca2 can solve a variety of complex geotechnical problems using explicit finite difference method. in this paper, an introduction will be given to the theoretical and numerical basis of the program and the capability of the code will be shown by solving a few interesting nonlinear and transient problems. fina...

2000
HANDE Y. BENSON ROBERT J. VANDERBEI

The paper considers a current example of Wächter and Biegler which is shown not to converge for the standard primal-dual interior-point method for nonlinear programming. Three possible solutions to the problem are derived and discussed, including shifting slack variables, a trust region method, and a modified barrier method. The paper then compares LOQO, a line-search interior-point code, with ...

Journal: :CoRR 2015
Emanuele Bellini Eleonora Guerrini Alessio Meneghetti Massimiliano Sala

Most bounds on the size of codes hold for any code, whether linear or nonlinear. Notably, the Griesmer bound, holds only in the linear case. In this paper we characterize a family of systematic nonlinear codes for which the Griesmer bound holds. Moreover, we show that the Griesmer bound does not necessarily hold for a systematic code by showing explicit counterexamples. On the other hand, we ar...

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