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实验2-插值与拟合
- 1、掌握用MATLAB计算拉格朗日、分段线性、三次样条三种插值的方法,改变节点的数目,对三种插值结果进行初步分析。 2、掌握用MATLAB作线性最小二乘的方法。 3、通过实例学习如何用插值方法与拟合方法解决实际问题,注意二者的联系和区别。-1. Grasp by matlab calculating Lagrange, segement linear, 3rd order spline these 3 interpolation method. Analisize the 3 interpola
polyfit
- 曲线拟合程序 多项式相关系数的计算方法(多项式形式1) 多项式相关系数的计算方法(多项式形式2) 最小二乘法曲线拟合 三次样条插值(自然边界条件)-polynomial curve fitting procedures correlation coefficient is calculated (the form of a polynomial) polynomial coefficient of correlation Methods (polynomial form 2
spine
- 样条类的C++,该类包括三次样条的插值,拟合和B样条的插值,拟和等功能 。自己编写的简单适用的函数,粘上即可用。
MATLAB_jingtong
- Matlab教程一,包括多项式、曲线拟合、三次样条等。
shuzhi1
- 自编的三次样条插值算法模拟车门曲线,可根据数据点很好拟合曲线,并作图。
三次样条曲线拟合
- 三次样条曲线拟合 这个也是数学方法中的常用计算程序 学过的人都知道的-cubic spline curve fitting This is a mathematical method of calculation procedures used to learn the know
cubicsplineinterpolation
- 三次样条插值拟合数据 不同自变量区间内的三次样条函数-Fitting cubic spline interpolation of data from the variable range of different cubic spline function
Three-splines-function
- vb三次样条插值函数,具有高精度的拟合,实现光滑作图-vb cubic spline interpolation function, with high-precision fit to achieve a smooth mapping
spline 三次样条差值函数
- 三次样条差值函数,用于插值、曲线,曲面拟合,数据拟合
NumericalAnalysis
- 用JAVA编写的一个界面程序,实现了二分法、牛顿法、高斯法、SOR迭代法、三角分解法、三次样条插值曲线、曲线拟合的最小二乘法、数值积分Romberg算法、常微分方程的初值解法 改进Euler法、矩阵的特征值和特征向量 反幂法-An interface with a JAVA program written to achieve a dichotomy, Newton method, Gauss law, SOR iteration method, triangular decomposition
CubicSpline
- 根据给定点和区间值得出三次样条拟合方程的系数-According to a given point and interval should be a cubic spline fitting coefficient
spline
- 用于求解三次样条拟合!!!程序经过优化处理,运行速度快,且注释完全易于阅读,欢迎大家下载-Used to solve the cubic spline fitting! ! ! Optimized procedures to deal with, fast, and completely easy-to-read notes, welcome you to download! !
sanwj
- 三次样条插值,三弯矩法计算,曲线拟合,求插值点的函数值,一阶导数,二阶导数-Cubic spline interpolation, three-moment method, curve fitting, interpolation points demand function values, first-order derivative, second derivative
vb
- vb代码,做最小差值的线性拟合和三次样条曲线拟合的vb代码,有说明,三次样条和最小误差法进行曲线拟合-vb code, so the minimum difference between the linear fit and cubic spline curve fitting of the vb code, descr iption, and minimum error of spline curve fitting method
sanciyangtiaonihe
- 三次样条拟合函数,通过拟合点计算出三次样条函数。-Cubic spline fitting function calculated by fitting the point cubic spline function.
matlab插值与数据拟合
- 使用matlab的插值与数据拟合,含有插值原理,方程,插值方法有:拉格朗日多项式插值,分段线性插值,三次样条插值,最小二乘法,有多个实例(有源码、语句、结果、图像等)
hanshunihe
- matlab代码,内置两个拟合代码,为最小二乘拟合和三次样条拟合,三次样条拟合可用任意阶次拟合,精度好-matlab code, built two fitting code, least squares fitting and cubic spline fits, cubic spline fit using any order of the fitting, good accuracy
河底光缆曲线MATLAB求解程序--三次样条函数插值
- 利用三次样条函数插值方法,拟合河底光缆曲线。MATLAB完整程序(Three times spline interpolation method is used to fit the curve of river bottom optical fiber cable. MATLAB complete program)
Desktop
- 主要用于三次样条拟合,对离散点进行拟合插值,(Three order spline fitting)
B-spline
- 均匀三次B样条曲线插值,定义插值函数,B样条拟合三维曲面(Interpolation of B spline curves)