کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9509411 | 1341392 | 2005 | 20 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Near-best quasi-interpolants associated with H-splines on a three-direction mesh
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
ریاضیات
ریاضیات کاربردی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Near-best quasi-interpolants associated with H-splines on a three-direction mesh Near-best quasi-interpolants associated with H-splines on a three-direction mesh](/preview/png/9509411.png)
چکیده انگلیسی
Spline quasi-interpolants with optimal approximation orders and small norms are useful in several applications. In this paper, we construct the so-called near-best discrete and integral quasi-interpolants based on H-splines, i.e., B-splines with regular hexagonal supports on the uniform three-directional mesh of the plane. These quasi-interpolants are obtained so as to be exact on some space of polynomials and to minimize an upper bound of their infinite norms which depend on a finite number of free parameters. We show that this problem has always a solution, which is not unique in general. Concrete examples of these types of quasi-interpolants are given in the two last sections.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Computational and Applied Mathematics - Volume 183, Issue 1, 1 November 2005, Pages 133-152
Journal: Journal of Computational and Applied Mathematics - Volume 183, Issue 1, 1 November 2005, Pages 133-152
نویسندگان
D. Barrera, M.J. Ibáñez, P. Sablonnière, D. Sbibih,