| 利用MATLAB实现平滑系数的精确表达 |
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| 引用本文： | 叶海华,张录达,吉海彦,齐小明. 利用MATLAB实现平滑系数的精确表达[J]. 北京农学院学报, 2002, 17(3): 46-50. DOI: 10.3969/j.issn.1002-3186.2002.03.011 |
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| 作者姓名： | 叶海华 张录达 吉海彦 齐小明 |
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| 作者单位： | 1. 中国农业大学信息学院,北京,100094;2. 北京农学院基础科学系,北京,102206 |
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| 基金项目： | 北京市教委科技发展计划项目;; |
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| 摘 要： | 本文通过分析最小二乘多项式平滑技术的数学原理,依据MATLAB这一基于矩阵运算的科学计算语言,提出了用MATLAB实现平滑系数和求导系数的精确表达的方法.结果表明,这种方法简单实用,简化并优化了计算过程.
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| 关 键 词： | MATLAB 数据平滑 最小二乘法 |
| 文章编号： | 1002-3168(2002)03-0046-05 |
| 修稿时间： | 2002-01-08 |
Achieve the Coefficient of Smoothing with MATLAB |
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| Ye Hai hua ,Zhang Lu da ,Ji Hai yan ,Qi Xiao ming. Achieve the Coefficient of Smoothing with MATLAB[J]. Journal of Beijing Agricultural College, 2002, 17(3): 46-50. DOI: 10.3969/j.issn.1002-3186.2002.03.011 |
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| Authors: | Ye Hai hua Zhang Lu da Ji Hai yan Qi Xiao ming |
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| Affiliation: | Ye Hai hua 1,Zhang Lu da 1,Ji Hai yan 1,Qi Xiao ming 2 |
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| Abstract: | By analyzing the mathematics theory of the least squares polynomial, a method of achieving the coefficients of the smoothing and derivative is introduced, by the MATLAB language based on the matrix calculation. According to the result, it indicates clearly that the method is simple and practical. |
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| Keywords: | MATLAB data smoothing method of least squares |
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