| 数值积分中点公式的改进 |
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| 引用本文： | 吴天毅.数值积分中点公式的改进[J].天津理工大学学报,2007,23(3):56-59. |
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| 作者姓名： | 吴天毅 |
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| 作者单位： | 天津科技大学,理学院,天津,300222 |
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| 摘 要： | 根据某些函数的特性,通过改变单节点数值积分公式中节点的位置,对数值积分中点公式进行了改进,得到两个单节点高精度数值积分公式,由此可以极大的提高近似计算的精度.
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| 关 键 词： | 数值积分 代数精度 截断误差 |
| 文章编号： | 1673-095X（2007）03-0056-04 |
| 收稿时间： | 2006-03-21 |
| 修稿时间： | 2006-03-21 |
Improving on the numerical integration formula with a mean point |
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| WU Tian-yi.Improving on the numerical integration formula with a mean point[J].Journal of Tianjin University of Technology,2007,23(3):56-59. |
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| Authors: | WU Tian-yi |
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| Institution: | College of Sience, Tianjin University of Sience and Technology, Tianjin 300222, China |
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| Abstract: | With the features of functions,the numerical integration formula with a mean point has been improved by improving the location of the point,and the advanced precision formulas with a single point have been abtained,and the precision of the calulation result has been improved. |
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| Keywords: | numerical integration algebra precision truncation error |
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