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Представление геометрии поверхностей с помощью квадратичных форм

Представление геометрии поверхностей с помощью квадратичных форм

Abstract

Статья посвящена описанию процесса вычисления поверхностей с использованием универсального математического аппарата представления геометрии, основанного на дифференциально-геометрическом подходе. Приведены примеры вычисления как аналитически описываемых поверхностей, так и поверхностей свободной формы. Описаны возникающие погрешности вычисления, а также представлен алгоритм минимизации возникающих погрешностей методом варьирования значениями коэффициентов квадратичных форм.

The article describes the calculation of surfaces using multi-purpose mathematical tools of geometry representation based on a differential geometric approach. The calculation examples of both analytically described surfaces and free-form surfaces are given. Resulting calculation errors are described. The algorithm for arising error minimization by the variation of the quadratic form coefficient values is presented.

Keywords

ПРОЕКТИРОВАНИЕ С УЧЕТОМ ДОПУСКОВ, МАТЕМАТИЧЕСКАЯ МОДЕЛЬ ПОВЕРХНОСТИ, ПОВЕРХНОСТЬ СВОБОДНОЙ ФОРМЫ, КВАДРАТИЧНЫЕ ФОРМЫ ПОВЕРХНОСТИ

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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
gold