Curve fittingP-Least Squares (P-LS) method is Least Squares (LS) method promotion, based on the criteria of error p -squares minimal to select parameter a=(a_1, a_2, a_3…, a_n)~r, namely satisfies following constitute the curve-fitting method. Q(a)=∑[y_i-f(x_i, a)]~(...
Noun1.method of least squares- a method of fitting a curve to data points so as to minimize the sum of the squares of the distances of the points from the curve least squares statistics- a branch of applied mathematics concerned with the collection and interpretation of quantitative data and...
aCurve test method is the use of least squares fitting curve through the end of the first section of the data points, from checking whether each data point to the middle of the curve exceeds the allowable value, to determine whether the error point. According to the order of the curve dep...
1、最小二乘法(Least squares method)The small square method (also known as the least square method) is a mathematical optimization technique. It matches the best function of finding the data by minimizing the squared error.Using the least square method, the unknown data can be obtained easily,...
Curve fitting is a very important descriptor in image analysis,the most commonly used curve fitting method is least-squares method.But ordinary least-squares method has some limitations,and there are many scholars have made study of improving it.The authors made further improvement on least-squares...
The least squares method is a statistical procedure to find the best fit for a set of data points. The method works by minimizing the sum of the offsets or residuals of points from the plotted curve. Least squares regression is used to predict the behavior of dependent variables. ...
and the curve fitting problem mentioned in that report is transferred into a typical mathematical model of constrained least squared method.Then the fitting curve is achieved using Matlab software.Results for the three algorithms of PSNR,SSIM and MSSIM are reasonable,and the fitting procedure is ...
A given function y = f(x) whose roots are desired is fitted and approximated by a polynomial function of the form P(x)= a(x-b)^N that passes between three equi-spaced points using the method of least squares. Successive iterations using the same procedure of curve fitting is used to ...
a求拟合函数f(x)的方法称为曲线拟合的最小二乘法 Asks fitting function f(x) the method to be called the curve fitting the least squares method [translate] 英语翻译 日语翻译 韩语翻译 德语翻译 法语翻译 俄语翻译 阿拉伯语翻译 西班牙语翻译 葡萄牙语翻译 意大利语翻译 荷兰语翻译 瑞典语翻译 希腊语翻译...
a method based on the least-square theory to fit the curve of the top of the rail was presented,to find feature points on the continuous contour curve and eliminate the errors caused by the inaccurate positioning of the discrete contour points.The experiment results show that the proposed ...