| 逐步非线性拟合及其应用 |
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| 引用本文： | 李瑞丽 罗雄麟. 逐步非线性拟合及其应用[J]. 计算机与应用化学, 1996, 13(4): 304-308,312 |
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| 作者姓名： | 李瑞丽 罗雄麟 |
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| 作者单位： | 山东石油大学炼制系 |
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| 摘 要： | 对于非线性函数线性组合型相关方程，本文提出了交替运用非线性拟 逐步线性回归分析相结合的方法－逐步非线性拟合。这一方法应用盱石油馏分临界温度，临界压力对密度和平均沸点的经验关联取得满意的结果。
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| 关 键 词： | 非线性拟合 逐步回归分析 石油 馏分 |
A STEPWISE NONLINEAR FITTING PROCEDURE AND ITS APPLICATION |
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| Li Ruili,Luo Xionglin. A STEPWISE NONLINEAR FITTING PROCEDURE AND ITS APPLICATION[J]. Computers and Applied Chemistry, 1996, 13(4): 304-308,312 |
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| Authors: | Li Ruili Luo Xionglin |
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| Affiliation: | University of Petroleum Dongying 257062 |
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| Abstract: | A stepwise nonlinear fitting procedure was proposed to nonlinear fitting equations that uses Marquardt nonlinear fitting analysis and stepwise linear regression alternatively.The procedure was successfully used to the fitting of the critical temperature and critical pressure of petroleum fractions made in China to their standard density and average normal boiling point. |
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| Keywords: | Nonlinear fitting Stepwise linear regression Petroleum fraction property |
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