最小二乘法在大学物理实验数据处理应用中的讨论
罗志娟 ∗ ,夏 斌,喻 莉,周本元,何 艳,张剑桥,杨 帆
空军预警学院 基础部,湖北 武汉 430019
Discussion on the Application of the Least Squares Methodin Data Processing for College Physics Experiments
LUO Zhijuan* ,XlA Bin, YU Li,ZHOU Benyuan,HE Yan,ZHANG Jianqiao, YANG Fan
Department of Basics, Air Fore Early Waming Academy,Wuhan 430019 ,China
摘要
介绍了最小二乘法的原理,以光电效应实验和弦驻波实验为例,讲解了最小二乘法在实验规律为线性和非线性两种情况下的应用,并分别通过 MATLAB 编程对实验数据进行拟合求解曲线系数,加深学生对最小二乘法的理解,同时提升数据的处理能力。
关键词:
最小二乘法
光电效应实验
弦驻波实验
MATLAB
Abstract:
This artiele introduces the fundamental principles of the least squares method, Using thephotoelectrie effeet experiment and string standing wave experiment as examples ,it explains the application ofthe least squares method in both linear and nonlinear experimental seenarios,Through MATlAB programmingfor fitting experimental data and solving curve coefficients , the study aims to deepen students’ understanding olthe least squares method whilenhancing therr data proeessing capabilities.
Key words:
Least Squares Method
Photoeleetric effect experiment
Standing Wave on a String Experiment
MATLAB
出版日期: 2025-06-25
发布日期: 2025-06-25
整期出版日期: 2025-06-25
基金资助:
空军预警学院大学物理实验精品课程建设(院教函〔2024〕26 号);空军预警学院教育教学课题(院教函〔2025〕177 号
引用本文:
罗志娟, 夏 斌, 喻 莉, 周本元, 何 艳, 张剑桥, 杨 帆.
最小二乘法在大学物理实验数据处理应用中的讨论
[J]. 大学物理实验, 2025, 38(3): 67-70.
LUO Zhijuan, XlA Bin, YU Li, ZHOU Benyuan, HE Yan, ZHANG Jianqiao, YANG Fan.
Discussion on the Application of the Least Squares Methodin Data Processing for College Physics Experiments
. Physical Experiment of College, 2025, 38(3): 67-70.
链接本文:
https://dawushiyan.jlict.edu.cn/CN/10.14139/j.cnki.cn22-1228.2025.03.013
或
https://dawushiyan.jlict.edu.cn/CN/Y2025/V38/I3/67
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