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Averaging of directional derivatives in vertices of nonobtuse regular triangulations
An effective procedure for the approximation of directional derivatives of smooth functions in the vertices of nonobtuse regular triangulations is presented. It is proved that the errors of the resulting approximations are ...
BA - Obecná matematika
- 2010 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Regularity problem for 2m-order quasilinear parabolic systems with non smooth in time principal matrix. (A(t),m)-caloric approximation method
Partial regularity of solutions to a class of 2m-order quasilinear parabolic systems and full interior regularity for 2m-order linear parabolic systems with non)-caloric approximation method, m >= 1. It...
Pure mathematics
- 2018 •
- Jimp •
- Link
Rok uplatnění
Jimp - Článek v periodiku v databázi Web of Science
Výsledek na webu
Comparison of approximation methods for partial derivatives of surfaces on regular grids
of the 3rd order. It is impossible to approximate the partial derivatives of the 3rd order with sufficient quality by tools offered in a common GIS. In this paperIn many GIS is implemented the approximation of par...
DE - Zemský magnetismus, geodesie, geografie
- 2010 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Averaging of gradients in vertices of triangulations
In the paper, the complexity of computation of a high-order approximation of the gradient of a smooth function u=u(x,y) (in the vertices of a triangulation under the assumption that the values of u are known in the vertices of the g...
BA - Obecná matematika
- 2011 •
- D
Rok uplatnění
D - Stať ve sborníku
Module for hash-based pattern matching using approximate computing techniques
This software package contains an acceleration component for regular expression matching. To reduce the hardware resource requirements, approximate computing strings derived from the original regular expression set. Hardwar...
Computer hardware and architecture
- 2021 •
- R •
- Link
Rok uplatnění
R - Software
Výsledek na webu
Approximations of the partial derivatives by averaging
A straightforward generalization of a classical method of averaging is presented and its essential characteristics are discussed. The method constructs high-order approximations of l-th partial derivatives of smooth functions in inn...
BA - Obecná matematika
- 2012 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Regularity problem for one class of nonlinear parabolic systems with non-smooth in time principal matrices
Partial regularity of solutions to a class of second order nonlinear parabolic systems with non-smooth in time principal matrices is proved in the paper-called A(t)-caloric approximation method. The method was applied by th...
Pure mathematics
- 2019 •
- Jimp •
- Link
Rok uplatnění
Jimp - Článek v periodiku v databázi Web of Science
Výsledek na webu
Superconvergence of Tetrahedral Quadratic Finite Elements
to construct a post-processing that increases the order of approximation to the gradientFor a model elliptic boundary value problem we will prove that on strongly regular families of uniform tetrahedral partitions of a pol...
BA - Obecná matematika
- 2005 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Support function at inflection points of planar curves
approximation order is 4 for inflection-free curves. In the presence of inflection points approximation order 4, even in the inflection case. planar curves. Even for a regular curve, the support function ...
Applied mathematics
- 2018 •
- Jimp •
- Link
Rok uplatnění
Jimp - Článek v periodiku v databázi Web of Science
Výsledek na webu
Averaging of gradient in the space of linear triangular and bilinear rectangular finite elements
An averaging method for the second-order approximation of the values of the gradient of an arbitrary smooth function u = u(x1, x2) at the vertices of a regular in vertices of nonobtuse regular triangulations, Numer...
BA - Obecná matematika
- 2013 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
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