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knnsearch
寻找测试样本的最近邻,可以有效的用于用于模式识别,信号处理(This is a small but efficient tool to perform K-nearest neighbor search, which has wide Science and Engineering applications, such as pattern recognition, data mining and signal processing.
The code was initially implemented through vectorization. After discussions with John D Errico, I realized that my algorithm will suffer numerical accurancy problem for data with large values. Then, after trying several approaches, I found simple loops with JIT acceleration is the most efficient solution. Now, the performance of the code is comparable with kd-tree even the latter is coded in a mex file.
The code is very simple, hence is also suitable for beginner to learn knn search.)
- 2010-03-16 14:08:11下载
- 积分:1
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bp
说明: 基于MATLAB的BP神经网络的数据分类的实现。(MATLAB-based BP neural network implementation of data classification.)
- 2010-05-13 23:28:49下载
- 积分:1
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Moore_Penrose
MP广义逆的介绍,推导和求解过程等等,欢迎下载(Moore_Penrose text)
- 2012-04-19 18:42:23下载
- 积分:1
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Matlab-senior-notes(2)
Matlab高级讲义之matlab语言基础(Matlab senior notes- matlab language based)
- 2011-12-24 21:11:43下载
- 积分:1
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filter
设计巴特沃斯和切比雪夫滤波器,实现低通滤波,并计算滤波系数,给出效果图(Design a 20-order Butterworth filter, low-pass filter, and the filter coefficient calculation gives renderings)
- 2013-12-28 11:31:42下载
- 积分:1
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THE-USE-OF-HEAT-RATES
An understanding of heat rates starts with an fundamental understanding of the following terms.
· Incremental Costs and Incremental Heat Rates
· Average Costs and Average Heat Rates
· Input-Output Curves
- 2014-09-04 17:10:50下载
- 积分:1
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计算表面等离子体与物质的相互作用 strong_coupl
matlab代码,用于计算表面等离子体与物质的相互作用(for the interaction of SPR and mass)
- 2015-03-27 09:59:40下载
- 积分:1
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motor
三相异步电机直接起动的起动转矩较大,但起动电流也大,通常用于小功率电机。(Three-phase asynchronous motor starting torque direct start a larger, but the starting current is also large, normally used for low-power motor.)
- 2009-01-05 10:44:08下载
- 积分:1
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xinshetu
在对PSK系统进行仿真,要求:对M=4的PSK系统,分别取信噪比为odB、10dB和20dB,在星座图上观察接收端接收到的信号向量。
(in the PSK system simulation, requirements : M = 4 for the PSK system, the signal-to-noise were taken odB. 10dB and 20dB, in the constellation observation receiving termination received signal vector.)
- 2007-06-01 13:57:24下载
- 积分:1
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waveletclassification-a-models
wavelet technique is used for fault identification
- 2013-11-17 23:43:20下载
- 积分:1