The most common physical formalisms are the Lagrangian formalism and the Hamiltonian formalism. From the superficial point of view, they are one and the same, but rewritten in …
This paper discusses the software tools which are used to study of social networks (graphs). The study of social graphs received a significant boost with the development of the …
The goal of this work is to simulate the Random Random Detection algorithm (RED) and Double Slope Random Early Detection (DSRED) and Gentle Random Early Detection (GRED) …
В данной работе авторы моделируют алгоритм Random Early Detection (RED), а также такие его модификации, как Double Slope Random Early Detection (DSRED) и Gentle Random Early …
Self-oscillating modes in control systems of computer networks quite negatively affect the characteristics of these networks so the investigation of parameters of self-oscillations …
In this paper we consider pseudo-random uniformly distributed number generators, such as xorshift and KISS. We also provide C++ implementation source code snippets of these …
Self-oscillation modes in control systems of data transmission networks negatively affect the characteristics of these networks. To investigate the self-oscillation mode for …
В данной работе рассматриваются стохастические численные методы типа Рунге–Кутты с слабой и сильной сходимостями для систем стохастических дифференциальных уравне- ний в форме Ито. …
Описана и реализована в среде OpenModelica упрощенная модель передачи трафика в системе с активным управлением очередью с алгоритмом типа RED. Продемонстрирована динамика поведения …
The transformation optics uses geometrized Maxwell's constitutive equations to solve the inverse problem of optics, namely to solve the problem of finding the parameters of the …
The Maxwell equations have a fairly simple form. However, finding solutions to Maxwell's equations is an extremely difficult task. Therefore, various simplifying approaches are …
In this paper we consider in detail the realization of Runge–Kutta stochastic numerical methods with weak and strong convergence for systems of stochastic differential equations in …
Nowadays the geometric approach in optics is often used to find out media parameters based on propagation paths of the rays because in this case it is a direct problem. However …
SymPy computer algebra library is used for automatic generation of ordinary and stochastic systems of differential equations from the schemes of kinetic interaction. Schemes of …
A new method for the evaluation of the characteristics of the solution of a system of stochastic differential equations is presented. This method is based on the representation of …
В работе показано применение метода характеристик к уравнению эйконала, записанного для линз Максвелла и Люнеберга. Уравнение эйканала преобразовано к системе из четырех ОДУ. …
In data networks, a negative phenomenon such as global synchronization can occur. It manifests itself in the form of auto-oscillations, which may capture the whole segment of the …
This article discusses stochastic numerical methods of Runge-Kutta methods with weak and strong convergences for systems of stochastic differential equations in the Ito form. At …
При моделировании таких явлений как популяционная динамика, исследование управляемых потоков и т.д. возникает проблема адаптации существующих моделей под исследуемое явление. Для …