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| 椭球的高精度多项式逼近 |
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冯玉瑜1, 曾芳玲2, 邓建松1
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1.中国科学技术大学,数学系,安徽,合肥,230037;2.中国科学技术大学,数学系,安徽,合肥,230037电子工程学院,安徽,合肥,230037
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| 摘要: |
| 给出了用双三次多项式逼近椭球的一种简明方法.逼近椭圆的误差为273×10-6,逼近椭球的误差为545×10-6 |
| 关键词: 逼近 椭球 Bézier曲线 |
| DOI： |
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| 基金项目:Supported by the National Grand Fundamental Research 973 Program of China on Mathematic Mechanics under Grant No.G1998030600 (国家重点基础研究发展规划973项目"数学机械化及其自动推理平台"); the National Research Foundation for the Doctoral Program of Higher Education of China (国家教育部博 |
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| Perfect Approximation of Ellipsoid by Polynomials |
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FENG Yu-yu,ZENG Fang-ling,DENG Jian-song
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| Abstract: |
| A simple method in the approximation of ellipsoid by bicubic polynomials is given in this paper, the error is approximately 273×10-6 for ellipse and 545×10-6 for ellipsoid. |
| Key words: approximation ellipsoid Bézier curves |
