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这是一个非常简单的遗传算法源代码,代码保证尽可能少,实际上也不必查错。对一特定的应用修正此代码,用户只需改变常数的定义并且定义“评价函数”即可。注意代码 的设计是求最大值,其中的目标函数只能取正值;且函数值和个体的适应值之间没有区别。该系统使用比率选择、精华模型、单点杂交和均匀变异。如果用 Gaussian变异替换均匀变异,可能得到更好的效果。代码没有任何图形,甚至也没有屏幕输出,主要是保证在平台之间的高可移植性。读者可以从ftp.uncc.edu, 目录 coe/evol中的文件prog.c中
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% EM algorithm for k multidimensional Gaussian mixture estimation
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% Inputs:
% X(n,d) - input data, n=number of observations, d=dimension of variable
% k - maximum number of Gaussian components allowed
% ltol - percentage of the log likeli
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两个模式识别算法实现,一个是线性区别函数另一个是混合高斯模型方法。本人的大作业,经验证可用。-Two pattern recognition algorithm, the difference between a linear function of the other is the Gaussian mixture model. I am a big operation, experience certificates available.
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完整的锁相环matlab代码实现,其中包括高斯噪声干扰,频差,相差,给出最后频率及相位收敛结果图。重要的是代码中有本人详细注释,易于理解-Complete phase-locked loop matlab code, including the Gaussian noise interference, frequency difference, a difference, given the final results of the frequency and phase diagram con
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这是一个非常简单的遗传算法源代码,是由Denis Cormier (North Carolina State University)开发的,Sita S.Raghavan (University of North Carolina at Charlotte)修正。代码保证尽可能少,实际上也不必查错。对一特定的应用修正此代码,用户只需改变常数的定义并且定义“评价函数”即可。注意代码的设计是求最大值,其中的目标函数只能取正值;且函数值和个体的适应值之间没有区别。该系统使用比率选择、精华模型、单点杂交
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某985/211大学研究生计算方法课程作业及源程序,包含常见的高斯法,克劳分解,雅克比赛得儿迭代,牛顿差值多项式,三次样条插值多项式,龙贝格积分法的源代码-Calculation of a 985/211 Graduate course work and the source, including common Gaussian law, Crow decomposition, Jacques games have children iteration, Newton difference po
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这是一个非常简单的遗传算法源代码,是由Denis Cormier (North Carolina State University)开发的,Sita S.Raghavan (University of North Carolina at Charlotte)修正。代码保证尽可能少,实际上也不必查错。对一特定的应用修正此代码,用户只需改变常数的定义并且定义“评价函数”即可。注意代码 的设计是求最大值,其中的目标函数只能取正值;且函数值和个体的适应值之间没有区别。该系统使用比率选择、精华模型、单点杂
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采用有限差分方法模拟计算高斯光束在自由空间传播过程。-Simulation using the finite difference method of Gaussian beams in free space propagation.
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FDTD Finite-Difference Time-domain free space no ABC
FDTD(t) runs FDTD for time t.
FDTD implements the FDTD/staggered leapfrog scheme
over time 0-max_time and space 0-max_space. This program
simulates a gaussian pulse in the grid specifi
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FDTD Finite-Difference Time-domain free space no ABC
FDTD(t) runs FDTD for time t.
FDTD implements the FDTD/staggered leapfrog scheme
over time 0-max_time and space 0-max_space. This program
simulates a gaussian pulse in the grid specifi
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THIS PROGRAM IS FOR IMPLEMENTATION OF DISCRETE TIME PROCESS KALMAN FILTER
FOR GAUSSIAN AND LINEAR STOCHASTIC DIFFERENCE EQUATION.
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使用低通滤波器,观察原始图像与以图形形式显示的高斯低通滤波器的差别,显示频谱和处理后的图像!-Using low-pass filter to observe the original image and displayed in graphical form of the difference between the Gaussian low pass filter, display the spectrum and the processed image!
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这是一个非常简单的遗传算法源代码,是由Denis Cormier (North Carolina State University)开发的,Sita S.Raghavan (University of North Carolina at Charlotte)修正。代码保证尽可能少,实际上也不必查错。对一特定的应用修正此代码,用户只需改变常数的定义并且定义“评价函数”即可。注意代码 的设计是求最大值,其中的目标函数只能取正值;且函数值和个体的适应值之间没有区别。该系统使用比率选择、精华模型、单点杂
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包括kf,ekf,pf,upf可以自己定制模型参数,完成滤波-ReBEL currently contains most of the following functional units which can be used for state-, parameter- and joint-estimation:
Kalman filter
Extended Kalman filter
Sigma-Point Kalman filters (SPKF)
Unscented
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用有限差分模拟高斯脉冲在自由空间传播,运行该脚本,你会得到一个表面,它是由脉冲在1微米的步骤传播。
-Using the finite difference simulation of Gaussian pulse propagation in free space, run the scr ipt, you will get a surface, it is spread by the pulse in steps of 1 micron.
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各向同性空隙介质中波的传播的解析形式,应用下文的方法:
Dai, N., Vafidis, A. & Kanasewich, E.R., 1995. Wave propagation in heterogeneous, porous media: A velocity-stress, finite-difference method, Geophysics, 60, 327-340.
更加详细的介绍见英文描述,该代码对于做波场模拟的同学有很好的参考价值。-MATLAB scr ip
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This Function Calculates The Difference of Gaussian
for SIFT feature detection
input parameter definition
1. Pyramid=image
2. NumOfLevel=levels to be calculated
3. InitSigma=initial variance of Gaussian-This Function Calculates The Di
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A Neutrosophic Image segmentation book
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Simulation of a gaussian pulse propagated in free space through 1000 um, using finite differences.
Just run the scr ipt and you'll get a surface which is made up of the pulse propagated at 1 um steps.
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