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拟合圆

于 2017-08-16 发布 文件大小:373KB
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下载积分: 1 下载次数: 5

代码说明:

  根据X和Y两组数据,将两组数据在X-Y平面上最小二乘法拟合出圆(According to X and Y two sets of data, the two sets of data in the X-Y plane, the least square method of fitting the circle)

文件列表:

Y.mat
X.mat
circlefittest.m
circlefit.m

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  • erfenfa
    二分法,用于多项式求解,迭代12次能达到很高的精度(Dichotomy for polynomial solving, iterative 12 times to achieve high precision)
    2008-01-25 19:58:10下载
    积分:1
  • 111
    三种帧同步算法的MATLAB代码,具有良好的算法效果,可以使用,请大家下载(Three kinds of frame synchronization algorithm MATLAB code, a good algorithm results, you can use, please download)
    2021-03-12 11:19:25下载
    积分:1
  • cam
    凸轮的程序,很好,可以随更改,可以随便变化凸轮的结构。(Cam program, well, you can with the changes, you can easily change the structure of the cam.)
    2021-01-23 21:48:39下载
    积分:1
  • DK
    说明:  邓肯张在ansys中的二次开发,适合于土体有限元分析(second development of duncan-zhang in ansys,it s be used to ansys)
    2015-01-09 09:27:07下载
    积分:1
  • FFTfenxixiangweicha
    这是利用FFT分析相位差的程序,具有一定的参考价值!(This is done using FFT analysis phase of the program, has a certain reference value!)
    2014-05-27 11:32:29下载
    积分:1
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    用于模拟混凝土单元的弹塑性模型,并有损伤变量,在ABAQUS中umat中输入弹性模量,泊松比与屈服应力即可。(The elastic-plastic model for the simulation of concrete unit, and the damage variable in the ABAQUS umat enter the elastic modulus, Poisson' s ratio and yield stress can be.)
    2020-11-19 16:49:37下载
    积分:1
  • Generate_SystemMatrix
    本程序在matlab中运行。 Generate_SystemMatrix是一个计算OSEM,MLEM迭代图像算法中系统矩阵的函数,其用法Generate_SystemMatrix(pixel),为所要重建图像的大小,一般为64,128,256,pixel也大运算越慢。 里面的diedai-test文件是一个简单的MLEM重建算法,其中要加载SystemMatrix矩阵就是Generate_SystemMatrix(128)的结果,注意如果要运行diedai-test,生成的系统矩阵名要保存为SystemMatrix,否则出错。 testsino是一个正弦图实例,就是MLEM算法中的投影矩阵,机算是数据。(This program is run in matlab. The Generate_SystemMatrix is ​ ​ a calculation of the OSEM, a function of the system matrix MLEM iterative image algorithm, its use Generate_SystemMatrix (pixel) to rebuild the image size, usually 64,128,256, pixel also large computing slower. Inside diedai-test file is a simple MLEM reconstruction algorithm, which load SystemMatrix matrix is ​ ​ the result of Generate_SystemMatrix (128), pay attention to if you want to to run diedai-test, the generated system matrix is ​ ​ saved as SystemMatrix, otherwise an error. testsino instance of a sinogram projection matrix MLEM algorithm, machine be regarded as data.)
    2020-12-08 14:39:20下载
    积分:1
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    传统的算法是基于邻接矩阵对网络指标进行计算,而大型网络通过稀疏矩阵保存。本研究编写了可以计算稀疏矩阵的经典传染病SIS模型的程序。(The traditional method is based on network indicators adjacency matrix computing, and large networks through sparse matrix saved. The study prepared by the epidemic SIS model can calculate the classical sparse matrix program.)
    2015-07-28 12:42:49下载
    积分:1
  • nodefstrainstressfiberla002
    说明:  复合材料损伤,复合材料层间分层,损伤,刚度退化、衰减(Composite damage, delamination of composite layers, damage, stiffness degradation, attenuation)
    2019-04-08 11:14:11下载
    积分:1
  • nodefstrainstressfiberla002
    复合材料损伤,复合材料层间分层,损伤,刚度退化、衰减(Composite damage, delamination of composite layers, damage, stiffness degradation, attenuation)
    2019-04-08 11:14:11下载
    积分:1
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