نتایج جستجو برای: spline نایکنواختی هندسی
تعداد نتایج: 22698 فیلتر نتایج به سال:
In this paper we first revisit a classical problem of computing variational splines. We propose to compute local variational splines in the sense that they are interpolatory splines which minimize the energy norm over a subinterval. We shall show that the error between local and global variational spline interpolants decays exponentially over a fixed subinterval as the support of the local vari...
This paper generalizes the classical spline using a new construction of spline coalescence hidden variable fractal interpolation function (CHFIF). The derivative of a spline CHFIF is a typical fractal function that is self-affine or non-self-affine depending on the parameters of a nondiagonal iterated function system. Our construction generalizes the construction of Barnsley and Harrington (198...
در پایان نامه حاضر نوعی خاص از معادلات یعنی معادلات دیفرانسیل جزئی سهموی با استفاده از b-spline ها مورد برسی قرار میگیرد سپس یک روش جدید برای حل این نوع معادلات بیان میشود . در پایان نیز روش حاضر با یکی از روش های موجود مقایسه شده و نتایج عددی در دو جدول بیان میشود.
In this paper, we construct a matrix, which transforms a generalized C-Bézier basis into a generalized uniform algebraic-trigonometric B-spline (C-B-spline or UAT B-spline) basis. We also show that it is a totally positive matrix and give a normalized B-basis of the generalized UAT B-splines. 2005 Elsevier B.V. All rights reserved.
In this paper we consider equidistant polynomial splines S(x) which may grow as O|x|s. We present an integral representation of such splines with a distribution kernel. This representation is related to the Fourier integral of slowly growing functions. The part of the Fourier exponentials herewith play the so called exponential splines by Schoenberg. The integral representation provides a flexi...
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