搜索资源列表
Three-order-spline-inter
- 在许多问题中，通常根据实验、观测或经验得到的函数表或离散点上的信息，去研究分析函数的有关特性。其中插值法是一种最基本的方法，以下给出最基本的插值问题——三次样条插值的基本提法 -In many problems, usually according to the experiment, observation or experience the function table or discrete points on the relevant information, to analyze th
RPIM_sh96close2d
- 用无网格径向基点插值法,由少数离散点信息,插值拟合出密集点信息,对简单及复杂曲面都可,准确率高-meshless radial basis point interpolation method, fits the simple and complex surface, acurate
untitled_tin
- qt下实现基于离散点的tin网构建，算法能准确执行，效率高-qt achieved under build networks based on discrete point of tin, the algorithm can perform accurate and efficient
DrawingBoundary
- 在CAD中，根据给定的一堆离散点，通过矩形框选，实现框选内点的边界生成。采用“盲人摸象”法。-In CAD, according to a given bunch of discrete points, through a rectangular marquee, marquee achieve within the boundaries generate points. The use of elephant method.
fitcircle
- 对离散点进行圆拟合，得到拟合圆的中心坐标和半径- [Z, R] = FITCIRCLE(X) fits a circle to the N points in X minimising geometric error (sum of squared distances the points to the fitted circle) using nonlinear least squares (Gauss Newton)
orthofit
- 对离散点进行多项式拟合，不同于传统多项式拟合高次出现病态，此程序可以拟合高阶多项式- ORTHOFIT Fit polynomial to data. YS = ORTHOFIT(X,Y,N) smooths/fits data Y(X) in a least-squares sense using a polynomial of degree N and returns the smoothed data YS.
smoothn
- 对杂乱的数据离散点进行光滑处理，区别于传统的平滑滤波，此程序光滑效果更好，速度更快- SMOOTHN Robust spline smoothing for 1-D to N-D data. SMOOTHN provides a fast, automatized and robust discretized spline smoothing for data of arbitrary dimension.
LineCurvature2D
- 通过对离散点的拟合计算各点的曲率和法矢量- This function calculates the curvature of a 2D line. It first fits polygons to the points. Then calculates the analytical curvature from the polygons
Lagrange
- 根据离散点进行二次的拉格朗日插值， 解决了等时间距获取值的问题, 但这是二次插值, 也就是拟合的是二次及二次方程以下的函数- According to discrete points for the two Lagrange interpolation, solving the problem of equal time interval, but this is the two interpolation, that is, the two and two times the equation
shiyan
- CAD下VBA二次开发，用来展高程点，txt文件，已经把离散点网格化了-CAD lower VBA secondary development, to show elevation point, txt file, has the discrete points of the grid
xsdf
- 根据已有的离散点坐标制作voronoi图-make a voronoi diagram
TriangleTest
- 根据所给的一群离散点构造德洛尼三角网，便于运用-De Luoni triangulation structure according to a group of discrete points, easy to use
contour
- 离散点等值线绘制程序源代码+demo+执行文件-Discrete points isoline Source Codes+demo+ executable file
TinApp
- 由离散点构建TIN的源码，例子程序是通过在panel上鼠标点击添加离散点来完成TIN的构建-TIN constructed discrete point source, example program is built on the panel by mouse click to add discrete points to complete the TIN
Spline
- 选择合适离散点，应用三次样条插值法逼近龙格函数-Select the appropriate discrete points, cubic spline interpolation function approximation Longa
fortran_interpolation
- FORTRAN常用算法，方便各种离散点和格点资料相互插值。-common used interpolation written with FORTRAN language
linear_correlation
- 演示验证线性相关算法，主要用于离散点的局部极小值提取（基于多种阈值选取）。还包括最小二乘拟合，三次样条插值等内容。-Demonstration Verification Linear correlation algorithm is mainly used for local minimum extraction of discrete points (based on a variety of threshold selection). Including least squares fitt
Delaunay
- Delaunay三角网生成，利用离散点生成Delaunay三角网，交互式界面-Delaunay triangulation to generate the use of discrete point generating Delaunay triangulation
discrete-point-cloud-processing
- 离散点云处理的关键技术研究：包括数据处理、误差评定、离散点数据处理与分块操作。-Research on Key Technologies of discrete point cloud processing: including data processing, error uation, discrete point data processing and block operation.
tuoyuannihe
- 椭圆拟合程序，提供了一种将一系列离散点进行椭圆拟合的程序源码，能有效的得到相关图形进行分析。-Ellipse fitting procedure, provided a series of discrete points ellipse fitting procedures, it can effectively get related graphics for analysis.