Regression Function Models and Parameter Estimation Methods for the Use of Simulating Investment Diminishing Returns Law 投入报酬递减规律模拟的回归函数模型与参数估计方法
The regression method of rheology parameter for non-Newtonian fluid is obtained by the least square method. 同时根据最小二乘法原理得出确定非牛顿流体流变参数的回归分析方法。
Application of Weighted Regression Parameter Optimization to Analysis of Landslide Deformation 加权回归与参数优化在滑坡变形分析中的应用
It was necessary, however, for the conventional regression method to suppose a function relation firstly and the regression result of parameter was often defeated because of the limitation of the function relation. 但传统的回归技术需要先假定一个函数关系,由于受到函数关系的限制,常常导致参数回归失败。
Discussion About Regression Parameter Model of Settlement for High Embankment 高填方地基沉降回归参数模型探讨
Problem in Regression Parameter Estimation by Using Cumulative-Sum Method 累积法进行回归参数估计时正规方程的病态问题研究
This paper analyses the high and stable production ability of 11 dry-land wheat varieties in the regional tests in east part of Gansu province in 2002~ 2004 by adopting the methods of regression coefficient, stability parameter and high and stable yield coefficient. 采用回归系数法、稳定性参数法和高稳系数法对参加甘肃省2002~2004年度陇东片冬小麦区域试验的11个品种(系)进行丰产稳产性综合分析。
The Choice of Ridge Regression Parameter from Principal Component Viewpoint 岭回归参数选择的主成分方法
The parameters of the four-parameter full range da/ dN Forman curve formula were estimated by using the multivariable linear regression and the parameter estimation formulae were derived. 利用多元线性回归法对试验数据进行了曲线拟合,得到了四参数全范围da/dN曲线公式的参数估计式;
^ Fuzzy Linear Regression with Fuzzy Regression Parameter 带模糊回归参数的线性回归模型
Chinese listed companies 'ownership is high concentrated and the regression parameter between intensive degree of share ownership and corporate performance is significant. 我国上市公司的股权高度集中且行业间实力很不均衡;股权集中度与公司绩效相关性显著;
In this paper the criterion is generalized and then used to compare the advantage and disadvantage of the least square estimation of the regression parameter in growth curve model and a generalized ridge estimation. 本文将它推广应用于生长曲线模型回归参数阵的最小二乘估计和广义岭估计优劣性的比较。
A Linear Regression technique for Parameter Extraction from Emission Data of FEA FEA实验数据进行参数提取的线性回归技术
This paper studies the problem of rolling mill characteristics, and presents the regression model and parameter evaluation method of rolling mill characteristics used in the hot continuous rolling AGC system in Benxi Iron and Steel Company. The actual results of control are given. 本文对AGC系统中的轧机特性问题进行了研究,介绍了本钢热连轧AGC系统中使用的轧机特性回归模型和参数估计方法,并给出实际控制效果。
The regression and parameter evaluation of rolling mill characteristics 轧机特性的回归与参数估计
Multivariate regression analysis and parameter optimization method ( conjugate gradient method and variable metric method) are employed in the fitting of aerodynamic coefficients. A comparison and analysis of the said methods is carried out in this paper. 本文用多元回归分析、参数优化法(共轭梯度法和变尺度法)拟合气动系数,并对这几种方法进行比较、分析。
In this paper, we discuss the strong convergence of M-estimator for regression parameter in linear model with NA errors, which extends the result results under iid. 本文在负相协误差下讨论了一类回归模型中参数M-估计的强收敛速度。
The Estimative Method of Fuzzy Regression Parameter and Its Application to Signal Analysis of Satisfying Program to Prosperity 模糊回归参数估计方法及应用于景气对策信号分析
No significant correlation existed between yield and regression coefficient b stable parameter. 产量与稳定性参数回归系数b之间并无明显相关性。
A generalized estimator of the regression parameter in multivariate linear model 多元线性模型回归参数的一种广义估计
There are three methods to calculate S parameter, and non-linear regression with background parameter is the one. That provides the best fit and makes the average of S with 13% improvement and the standard deviation with 72% reduction. 本文提供了S值的三种数学模拟方法,结果表明带有背景参数的非线性回归方法确定S值可使平均值增加13%,相应的标准偏差降低72%。
The calculating formulae of weighted optimum curve regression model parameter given in this paper possesses high speed of parameter correcting, high precision of fitting and obvious effect. 本文给出的带权优化曲线回归模型参数计算公式,修正参数速度快,拟合精度高,效果显著。
This paper presents a constrained nonlinear regression method for computerized automatic interpretation of well testing data. Convergence of the regression is improved by an iterative procedure based on a combination of the Marquardt and linear regression of one-dimensional parameter methods. 本文发展了用于计算机自动解释的受约束非线性回归分析技术,利用Marquardt方法和一维搜索相结合的算法改善回归分析的收敛性。
In the curve ( empirical formula), the original power function is used and the regression parameter is not changed. 此曲线(经验公式)仍运用原有的幂函数形式并保持回归参数不变,通过增加位置参数反映现场试验的个性信息。
Regression results show that parameter t and A in GEM equation increase with the augment of the ratio of the dielectric constants of the two phases. 结果表明:GEM方程中的拟合参数t和A随介电常数比的增大而增大;
Then, we establish non parametric estimation of contaminated coefficient ε and regression parameter β, and obtain the strong consistency and convergence rate almost surely of the estimators. 并构造了污染系数ε及回归参数β的非参数估计,建立了估计量的强相合性及强收敛速度。
Nonparametric regression applied in porosity parameter prediction 非参数回归法在孔隙度参数预测中的应用
Modified nonlinear ridge regression with optimal ridge parameter and its application to 4-CBA soft sensor 优化岭参数的非线性岭回归及4-CBA含量软测量
The regression model parameter estimation is generally a mathematical model applied in many academics, such as systematic engineering, automation, mechanical engineering, electric power project and so on, To this day, it is an important problem for research all the time. 回归模型参数估计是许多学科中常用的数学模型,如系统工程、自动化、机械工程、电力工程等,至今都是研究的重点问题之一。
This article discusses the Influence Analysis of regression parameter in general linear model and date-delete model. 本文讨论在一般线性模型和数据删除模型下的回归参数的影响分析问题。