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Строго положительно определённые функции, неравенства М. Г. Крейна и Е. А. Горина

Строго положительно определённые функции, неравенства М. Г. Крейна и Е. А. Горина

Abstract

При исследовании систем управления и автоматизированных систем разрабатываемые математические модели часто сводятся к конечномерным, для которых возникает необходимость обоснования их корректности, и, в частности, установлению однозначной разрешимости линейных систем с матрицами коэффициентов специального вида. В работе для решения этой задачи вводится класс вещественных положительно определённых функций. Рассматривается приложение техники положительно определённых функций к доказательству однозначной разрешимости конечномерных моделей, возникающих при разложении сигналов по целочисленным сдвигам Гауссианов.

Keywords

ПОЛОЖИТЕЛЬНО ОПРЕДЕЛЁННЫЕ ФУНКЦИИ,ТЕОРЕМА БОХНЕРА,НЕРАВЕНСТВО М.Г. КРЕЙНА,ГАУССИАН,ЦЕЛОЧИСЛЕННЫЕ СДВИГИ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average