1)  fitting~+
拟合+
2)  fit
拟合
1.
Method Research on How to Fit Characteristic Curve of Engine;
发动机特性曲线拟合+过程中的算法研究
2.
Lung contour repair algorithm based on spline curve fitting;
基于样条曲线拟合+的肺区轮廓修补算法
3.
Research on Surface Fit of Piston Former and Processing Methods;
活塞靠模型面的拟合+及加工方法研究
3)  fitting
拟合
1.
Application of Matlab in chemical experiment data and model parameters fitting function;
Matlab在化工数据及模型参数拟合+中的应用
2.
A study on permeability of the coating and nutrient release features for the single granules of tung oil-coated compound fertilizers by curve-fitting methods;
桐油包膜复合肥料单个颗粒包膜透过性及养分释放特性的拟合+研究
3.
Analysis of fitting isotherm model using origin software;
利用Origin软件对吸附等温线拟合+进行分析
4)  simulation
拟合
1.
A Method for Simulation and Interpolation of a Free Curve;
一种自由曲线拟合+及插补方法
2.
Simpson integral formula by higher order polynomial simulation on equally spaced points;
等距结点上高次曲线拟合+的Simpson型求积公式
3.
The principle of automatic simulation analysis is provided in detail.
根据最优化理论,提出了开发模式特征曲线计算机自动拟合+的方法。
5)  matching
拟合
1.
The mathematic model of automatic matching of gas-well production decline for abnormally pressured gas reservoir is developed,based on LM's automatic matching of production decline,combined with the regression analysis.
在LM产量递减自动拟合+方法的基础上,结合回归分析建立了异常高压气藏气井的产量递减自动拟合+数学模型。
2.
Based on static pressure matching analysis and interpretation tech of hydraulic fracture of three dimensions fracture prolonging imitation model, the paper suggests a general procedure and theory method and studies calculation way field monitoring static pressure, and introduces some applied situations.
基于三维裂缝延伸模拟模型的水力压裂净压力拟合+分析解释技术,提出了净压力拟合+分析解释的一般步骤及理论方法,研究了现场监测净压力的计算方法,并介绍了其在现场施工中的应用情况。
3.
By matching computation: The bearing capacity of pile analyzed by high.
文章通过建立桩土系统的动力学模型,利用行波理论求得了该定解问题的数值解,编制了计算程序,对高应变理论进行了数值计算模拟,通过拟合+计算:分析高应变动测桩的承载力,得到了土阻力的分布结果。
6)  imitation
拟合
1.
The side skin friction curves ascertainment and imitation of single pile;
单桩侧摩擦阻力曲线的推求与拟合+
2.
In order to gain simple and accurate imitated functions, a new method of “divided section imitation” was adopted.
以回归分析法为工具,研究了姜汁的澄清度与pH之间的关系,为了能得出简单、准确的拟合+函数,这里采用了分段拟合+的方法,比之传统的全范围拟合+方法,精度有了显著的提高。
3.
According to good imitation of original account function,this paper presents the simple expression of hydraulic calculation method of the section with water of standard doorway type and avoids seeking the exiting problems with or.
通过对原计算函数的优化拟合+,提出了标准门洞型过水断面水力计算的简捷表达式,避免了目前常规方法获解所存在的问题,在实用范围内,成果的最大误差仅为0。
参考词条
补充资料:非线性最小二乘拟合
分子式:
CAS号:

性质:用最小二乘法拟合非线性方程。有些变量之间的非线性模型,通过变量变换可以化为线性模型,此称为外在线性。而有些变量之间的非线性模型,通过变量变换不能化为线性模型,通称为内在非线性。对于非线性模型y=f(ξ,θ)+ε,其残差平方和。S(θ)是θ的函数,当模型关于θ是非线性的,正规方程关于θ也是非线性的。基于使残差平方和s(θ)达到极小的原理求出θ的估计值,拟合非线性回归方程。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。