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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
twoSample
- delphi语言实现的二次样条拟合离散样本程序-delphi language of the quadratic spline fitting discrete sample program
nihe
- 简单的讲,所谓拟合是指已知某函数的若干离散函数值{f1,f2,…,fn},通过调整该函数中若干待定系数f(λ1, λ2,…,λ3), 使得该函数与已知点集的差别(最小二乘意义)最小。如果待定函数是线性,就叫线性拟合或者线性回归(主要在统计中),否则叫作非线性拟合或者非线性回归。表达式也可以是分段函数,这种情况下叫作样条拟合。
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
Bspline.编写拟合非均匀有理B样条曲线的程序
- 编写拟合非均匀有理B样条曲线的程序,可以进行数据拟合,Fitting the preparation of non-uniform rational B-spline curve of procedures, data can be fitted
shiyan1.rar
- 是有关曲线拟合方面的内容,包括拉格朗日法,牛顿插值,样条插值,Is the curve fitting aspects, including the Lagrangian method, Newton interpolation, spline interpolation
thin_plate.rar
- 薄板样条,一种很好的拟合曲线的方法。是最近比较常用的拟合方法。,thin plate spline is so nice fitting method. Features: (1) support arbitrary control points (2) allow regularization (3) estimate the warp parameters from corresponding pairs
Non-uniform-B-spline-algorithm-
- 非均匀B样条拟合程序,数值计算算法,可用于数值拟合等-Non-uniform B-spline fitting algorithm , numerical algorithm , could be used for numerical fitting , etc.
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
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! !
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)
BBB
- 风力机叶片翼型拟合,非均匀B样条拟合MATLAB程序(Wind turbine blade airfoil fitting, non-uniform B spline fitting MATLAB program)
3次B样条曲线拟合
- 离散点曲线 进行3次B样条曲线拟合 包括节点参数化过程 基函数计算过程 控制点反求过程 到最后拟合曲线的显示(The discrete point curve is fitted with 3 B spline curves, including the node parameterization process, the basis function calculation process, the control point inversion process, and the final
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)
数据拟合
- 数据拟合:一元函数插值、样条插值、多项式插值或拟合、曲线拟合、各种边界条件的样条插值、样条拟合、二元函数插值、拉格朗日插值法(Data fitting: interpolation of unary functions, spline interpolation, polynomial interpolation or fitting, curve fitting, spline interpolation of various boundary conditions, spline fitti
B spline
- B样条拟合程序,用于多点拟合,拟合情况较好,不是插值(B spline fitting procedures for multi-point fitting, better fitting, not interpolation.)
matlabBspline
- MATLAB软件对b样条曲线曲面进行拟合(B-spline curve and surface fitting)
数据拟合
- 利用MATLAB进行数据拟合,常见的数据拟合方法。包括:一元函数插值、样条插值、多项式插值或拟合 、曲线拟合、拉格朗日插值法等。(MATLAB data fitting, common data fitting methods. It includes: interpolation of unitary function, spline interpolation, polynomial interpolation or fitting, curve fitting, Lagrange inte