搜索资源列表
NRTL_2
- 用NRTL模型,求解萘在一种离子液体中的活度系数。 求解非线性方程、非线性拟合都可以实现。 稍微对比了一下,发现还是拟合的结果好些。 Matlab源程序及结果在附件里-with NRTL model for naphthalene in an ionic liquid in the activity coefficient. Solve nonlinear equations, nonlinear fitting can be achieved. Contrast
polyfit2d.rar
- 根据已知的三维离散数据(x,y,z),在MATLAB中利用此函数进行三维曲面拟合,再根据polyval2d得出拟合函数的系数矩阵。,according to 3D discrete datum (x,y,z),use this function in MATLAB to fit 3D surface, and use polyval2d to get coefficient matrix
shuxuejianmo_8.rar
- (拟合) 用给定的多项式,y=x3-6x2+5x-3,产生一组数据(xi,yi,i=1,2,…,n),再在yi上添加随机干扰(可用rand产生(0,1)均匀分布随机数,或用rands产生N(0,1)分布随机数),然后用xi和添加了随机干扰的yi作的3次多项式拟合,与原系数比较。 如果作2或4次多项式拟合,结果如何? ,(Fitting) with a given polynomial, y = x3-6x2+5 x-3, generated a set of data (xi, yi, i
PSO_my_model
- PSO算法,比较好用的拟合方程系数的程序。-PSO
test6
- matlab实验 用给定的多项式,y=x3-6x2+5x-3,产生一组数据(xi,yi,i=1,2,…,n),再在yi上添加随机干扰(可用rand产生(0,1)均匀分布随机数,或用rands产生N(0,1)分布随机数),然后用xi和添加了随机干扰的yi作的3次多项式拟合,与原系数比较。 如果作2或4次多项式拟合,结果如何? -matlab experiment with a given polynomial, y = x3-6x2+5 x-3, generated a set of da
eigen
- 此程序为用matlab编写的基于最小二乘法通过求解广义矩阵特征值及特征向量进行椭圆曲线拟合程序。 程序中x,y分别为采样点的横纵坐标。生成的结果矩阵为椭圆曲线aX^2+bXY+cY^2+dX+eY+f=0中的各项系数。-This program was written with matlab by solving the generalized least square method based on matrix values and eigen vectors of the ellipt
gui_polyfit_nihe
- 数据拟合在matlab环境下的gui中进行设计,显示拟合系数和拟合图像。-Data fitting in the gui in matlab environment design, display fitting coefficients and fitting the image.
quxiannihe
- 最小二乘曲线拟合 可以拟合曲线 得到所拟合的系数 GUI界面-least-square Curve fitting
Mtb011
- 多项式曲线拟合其中, x, y为已知数据点向量, 分别表示横,纵坐标, m为拟合多项式的次数, 结果返回m次拟合多项式系数, 从高次到低次存放在向量p中. -Polynomial curve fitting where, x, y as the vector of known data points, respectively, horizontal and vertical coordinates, m is the number of polynomial fitting, the re
fitting-the-noise-factor-solution
- ALLAN方差分段拟合后求解噪声系数,以提高拟合的精确度-ALLAN variance after fitting the noise factor solution
fitness
- 曲线拟合法:本方法分别利用一元线性函数、对数函数、指数函数和抛物线函数对数据拟合,取拟合优度判定系数最大者作为预测模型,得出预测值及预测区间(置信度为0.95)-Curve fitting: This method is the use of a linear function, respectively, logarithmic, exponential and parabolic functions for data fitting, goodness of fit to take the
CorrelationAnalysis
- 实现两组数据的相关分析,计算相关系数和假设检验值,同时进行线性拟合-Achieve two sets of data correlation analysis, hypothesis testing and calculation of correlation coefficient values, and linear fit
MATLAB
- 该程序主要对非球面镜进行波面拟合,首先读入采集的离散面型数据,可以是从椭圆曲面,抛物面等采样得到,也可以是通过其他软件计算得到的数据。然后将数据用Zernike多项式进行拟合得到非球面表达式各项的系数。-The program on the aspheric wavefront fitting, first read into a collection of discrete surface data can be Sampling from the oval surface, the p
wilson
- 基于二元系的wilson能量参数的拟合,用于求算二元系的活度系数。-wilson model energy function fitting
Gini
- Gini系数典线拟合算法,包含传统数值方法与曲线拟合法比较!-Gini coefficient calculation!
nihehanshuxishuqiujie
- 作为一个数学模型中建立的拟合函数系数的求解-As the solving of a mathematical model fitting coefficients
MATLAB实现线性拟合和相关系数 源程序代码
- Matlab源程序:可以实现线性拟合相关系数(Matlab source: linear correlation coefficient can be achieved)
POLYFIT
- 用k次多项式拟合向量数据(x,y)并返回多项式的降幂系数。(The vector data (x, y) are fitted by k-degree polynomials and the power factor of the polynomial is returned.)
polynomial model
- 使用多项式拟合非线性曲线,对多项式系数进行参数辨识(The polynomial coefficients are identified by using polynomial fitting nonlinear curves.)
zernike
- 计算泽尼克多项式和具有一致相合函数的泽尼克拟合系数(Zernike polynomials are orthogonal on the unit circle and are commonly used in optics for phase aberrations. Use zernike_fcn3.m to generate Zernike polynomials. Input includes a vector of the desired polynomials; these do n