1) quadratic stepwise regression analysis
![点击朗读](/dictall/images/read.gif)
二次型逐步回归分析
1.
A hardness-toughness factor was introduced and the relationship among the chemical composition,the heat treatment process and the HT factor were determined by using the method of quadratic stepwise regression analysis.
测定了这6种钢的室温冲击韧性和二次回火后的硬度,提出了硬韧性因子(HT),并利用二次型逐步回归分析方法得到了硬韧性因子与化学成分及热处理工艺之间的关系。
2) method of quadratic stepwise regression analysis
![点击朗读](/dictall/images/read.gif)
二次型逐步回归分析方法
3) Multitime stepwiseregression peritoic analysis
![点击朗读](/dictall/images/read.gif)
多次逐步回归周期分析
4) quadratic polynomial stepwise regression analysis
![点击朗读](/dictall/images/read.gif)
二次多项式逐步回归分析
1.
Treated experimental data with the quadratic polynomial stepwise regression analysis and the multi-objective optimization method,results show that sludge has both positive effect on the plant height and negative effect on the average root number and the average root length.
运用均匀设计试验法,采用砾石、污泥、秸秆、磷矿渣作为原料配制改良粉煤灰种植黑麦草,考察了影响株高、根数、根长、根冠比的因素,对试验结果进行了二次多项式逐步回归分析和多目标综合寻优。
6) stepwise regression
![点击朗读](/dictall/images/read.gif)
逐步回归分析
1.
The application of the stepwise regression program of EViews6 in the teaching of multi-collinearity
EViews6软件的逐步回归分析模块在多重共线性教学中的应用
2.
Study methods were as follows: rapid determination of alcohol content in beer by FT-NIR 750~2500 nm with stepwise regression, and the forecast of FT-NIR were compared with the capacity determined by GC.
采用傅立叶变换近红外光谱法(FT-NIR),在近红外区域(750~2500nm)利用逐步回归分析的方法测定啤酒中乙醇的含量,并将傅立叶变换近红外光谱对未知样品的预测结果与气相色谱法的测定结果进行比较。
3.
In order to study μs-order pulse current ECM polishing(PECP) using the orthographic experimental method, a mathematical model and an input-output model of network have been created from the data obtained from experiments by the method of stepwise regression and the method of artificial Neural Network.
针对电化学抛光时,在窄缝、盲孔处电解液流动性差的困难,根据试验数据,采用正交试验法与逐步回归分析法相结合和人工神经网络法,分别建立了微秒级脉冲电流电化学抛光的数学模型和网络输入输出模型,探讨了抛光机理,并对两种模型的加工效果进行了比较。
补充资料:二次型
二次型 quadratic form 线性代数的主要内容之一。起源于解析几何中二次曲线、二次曲面标准方程的研究。设aij取自数域F且aij=a ji(i,j=1,2,…,n),则F上x1,…,xn的二次齐式f(x1,…,xn)= ![]() ![]() ![]() ![]() ![]() ![]() |
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条