Визуализация четырех предельных циклов двумерных квадратичных систем в пространстве параметров
Автор(ы):
Г. А. Леонов
Профессор Санкт-Петербургского Государственного Университета
Математико-Механический Факультет
Россия, Санкт-Петербург, Петродворец,
Университетский пр., д. 28, 198504
leonov@math.spbu.ru
Ирина Герасимовна Бурова
Профессор кафедры Вычислительной математики, д. ф.-м. н., профессор
СПбГУ, Математико-механический факультет,
Старый Петергоф, Университетский пр., 28;
Санкт-Петербург, Россия, 198504
burovaig@mail.ru
Константин Дмитриевич Александров
СПбГУ, Математико-механический факультет,
Старый Петергоф, Университетский пр., 28;
Санкт-Петербург, Россия, 198504
Konstantin.239.Alexandrov@gmail.com
Аннотация:
Данная работа посвящена визуализации областей, содержащих четыре предельных цикла для квадратичных динамических систем дифференциальных уравнений первого порядка с вещественными коэффициентами. Визуализация области производится в трехмерном пространстве коэффициентов нелинейной части квадратичной системы. Обсуждаются теоретические и практические аспекты численного решения задачи Коши для неустойчивых систем.
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