| 单纯形上Stancu算子的逼近定理 |
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| 引用本文： | 刘喜武,郭顺生. 单纯形上Stancu算子的逼近定理[J]. 四川大学学报(自然科学版), 2000, 37(2): 153-157 |
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| 作者姓名： | 刘喜武 郭顺生 |
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| 作者单位： | 1. 河北经贸大学计算机中心,石家庄050091
2. 河北师范大学数学系,石家庄050016 |
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| 摘 要： | 利用Ｄｉｔｚｉａｎ－Ｔｏｔｉｋ模与Ｋ－泛函的等价性，研究了单纯形上Ｓｔａｎｃｕ算子的副近正逆定理。
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| 关 键 词： | 单纯形 K－泛函 光滑模 Stancu算子 |
| 文章编号： | 0490-6756(2000)02-0153-05 |
APPROXIMATION THEOREMS FOR STANCU OPERATORS ON A SIMPLEX |
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| LIU Xi-wu,GUO Shun-Sheng. APPROXIMATION THEOREMS FOR STANCU OPERATORS ON A SIMPLEX[J]. Journal of Sichuan University (Natural Science Edition), 2000, 37(2): 153-157 |
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| Authors: | LIU Xi-wu GUO Shun-Sheng |
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| Affiliation: | LIU Xi-wu;(Center of Computer,Hebei University of Economy and Trade ,Shijiazhuang 050091);GUO Shun-Sheng;(Department of Mathematics,Hebei Teacher's University,Shijiazhuang 050016) |
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| Abstract: | The authors derived the direct and converse theorems for Stancu operators by the equivalence of Ditzian Totik modulus and K functional. |
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| Keywords: | simplex K-functional modulus of smoothness Stancu operators |
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