In this article, we compare the support for SIMD instructions for Julia and Fortran. The comparison is carried out according to the methodology described in work of T. Kalibera, R. …
In certain scientific domains, there is a need for tensor operations. To facilitate tensor computations, computer algebra systems are employed. In our research, we have been using …
В определенных научных областях есть потребность использования операций над тензорами. Для облегчения кропотливой работы над тензорными расчетами можно использовать системы …
In this paper we compare the performance of classical Runge–Kutta methods implemented in Fortran and Julia languages. We use the technique described in technical report by Tomas …
Self-oscillating modes in control systems of computer networks quite negatively affect the characteristics of these networks. The problem of finding the areas of self-oscillations …
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 …
В работе показано применение метода характеристик к уравнению эйконала, записанного для линз Максвелла и Люнеберга. Уравнение эйканала преобразовано к системе из четырех ОДУ. …
При моделировании таких явлений как популяционная динамика, исследование управляемых потоков и т.д. возникает проблема адаптации существующих моделей под исследуемое явление. Для …
При моделировании сетевых протоколов является проблемой выбор модельного подхода и средства программной реализации. Специфика данной предметной области состоит в том, что для …
To construct realistic mathematical models from the first principles, the authors suggest using the stochastization method. In a number of works different approaches to …
Self-oscillating modes in computer networks control systems quite negatively affect the characteristics of these networks. The problem of finding the areas of self-oscillations is …