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calNDCG
在排序学习算法经常用到的评价指标 NDCG，计算检索的效果好坏(NDCG can be used to evaluate the ranking with multilevel relevance such as irrelevance, half relevance, and relevance. )
- 2011-06-23 18:16:16下载
- 积分：1
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svm_v0.55beta
支持向量积SVM的工具箱，Matlab板的。(SVM Support Vector plot of the toolbox, Matlab board.)
- 2007-10-09 16:13:36下载
- 积分：1
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hundunpso
针对二维熵图像分割方法在求取最佳阈值时存在计算量大及微粒群算法容易陷
入局部最优且速度较慢等等问题, 提出了基于混沌粒子群优化算法的二维熵图像分割方法。
该方法考虑了图像中像素点灰度 邻域灰度均值对作为阈值对图像进行分割 利用混沌运
动随机性、遍历性和初值敏感性, 将混沌粒子群优化算法与阈值法相结合在二维空间作全局搜
索。实验结果表明了基于混沌粒子群优化算法的二维熵图像分割法用于阈值寻优减少了搜索
时间, 提高了收敛率。(Calculation of its large capacity and particle swarm algorithm is easy to fall to strike the best threshold for the two-dimensional entropy image segmentation method
Into the local optimum and slower, the proposed two-dimensional entropy image segmentation method based on chaotic particle swarm optimization algorithm.
The method takes into account the image pixel the gray neighborhood average gray value as a threshold for image segmentation chaotic transport
Dynamic randomness, ergodicity and initial value sensitivity of chaotic particle swarm optimization algorithm with the threshold method in two-dimensional space for the global search
On request. Experimental results show that the entropy method of image segmentation method based on chaotic particle swarm optimization algorithm for threshold optimization to reduce the search
Time and improve the convergence rate.)
- 2012-04-10 22:00:27下载
- 积分：1
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BER_FOFDM
这个程序简单的介绍了OFDM的变体f-ofdm的误码率(This program simply introduces the bit error rate of the variant f-ofdm of OFDM.)
- 2019-06-17 09:44:04下载
- 积分：1
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DijkstraALL
此程序用于求网路（交通网，电网，水网等）的最小路径(This procedure is used to find the minimum path network (transportation networks, power grids, water networks, etc.))
- 2012-10-13 08:42:22下载
- 积分：1
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M-J
this code is estimate dyley time .
- 2012-06-18 09:19:25下载
- 积分：1
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transformation
transformation of coordiantes using finite diff method
- 2013-11-08 00:47:46下载
- 积分：1
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butterfly_weber
origami paper butterfly PDF
- 2010-11-02 05:35:29下载
- 积分：1
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Lyapunov_Lorenz
定义法计算计算Lorenz系统lyapunov指数，结果比较精确！
可以改为任意3维动力系统的lyapunov指数的计算程序！(Define of the method to calculate the Lorenz system lyapunov index, accurate results!
Can be changed to any 3-dimensional dynamical systems lyapunov index calculation program!)
- 2013-03-24 22:51:28下载
- 积分：1
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wavedec_self
小波分解详细过程源码。此代码由本人将网上下载的程序改进了一下，并加了例子。其功能与matlab自带的函 数wavedec一致，由于自带的函数理解比较困难不方便改进，我改的程序简洁，方便大家理解该函数的意义和原理。
(This code will be downloaded from the program, I improved a bit, and added examples. Its function with matlab built-in function wavedec the same, due to built-in function is more difficult to understand inconvenient to improve, I changed the program is simple for everyone to understand the meaning of the functions and principles.
)
- 2011-09-19 16:14:28下载
- 积分：1
