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Численное решение обратной задачи для оператора Штурма Лиувилля с разрывным потенциалом

Численное решение обратной задачи для оператора Штурма Лиувилля с разрывным потенциалом

Abstract

В статье рассматривается дифференциальный оператор Штурма Лиувилля с потенциалом, имеющим конечное число точек разрыва первого рода. Конечной целью является численное восстановление потенциала такого вида. Основной результат представленной статьи доказанная теорема и процедура, указывающие способ получения характеристик разрыва из начальных данных. Далее, используя полученные сведения о разрывах в ранее известных алгоритмах численного решения данной обратной задачи, например, в обобщенной итерационной схеме Ранделла Сакса, приходим к улучшению точности восстановления потенциала на всем отрезке.

We consider Sturm Liouville differential operator with potential having a finite number of simple discontinuities. This paper is devoted to the numerical solution of such inverse spectral problems. The main result of this work is a procedure that is able to recover both the points of discontinuities as well as the heights of the jumps. Following, using these results, we may apply a suitable numerical method (for example, the generalized Rundell Sacks algorithm with a special form of the reference potential) to reconstruct the potential more precisely.

Keywords

ОПЕРАТОР ШТУРМА ЛИУВИЛЛЯ, ОБРАТНАЯ ЗАДАЧА, РАЗРЫВНЫЙ ПОТЕНЦИАЛ, ЧИСЛЕННОЕ РЕШЕНИЕ

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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