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a2v_liedu
说明: 振动烈度计算的MATLAB算法,根据振动加速度信号的频域积分计算振动烈度(The MATLAB algorithm for calculating vibration intensity, vibration acceleration signals according to frequency domain integral calculation of vibration severity)
- 2010-04-18 16:35:09下载
- 积分:1
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SOR-matlab
用超松弛迭代SOR求解线性方程组的matlab实例程序(a example program about solving linear equations with super- relaxation iterative )
- 2016-11-25 15:18:06下载
- 积分:1
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DateConvert
DateConvert:简单而快速的日期转换
DateConvert转换DATESTR(0)格式的日期向量或序列号和日期向后。
Matlab的DATENUM,DATEVEC和DATESTR接受各种不同意见,但结果他们是缓慢的。如果输入格式正是众所周知,转换可以更快:
DATENUM( 17 - 10 - 2009 11时08分23秒 ):2.97秒
DateConvert( 17 - 10 - 2009 11时08分23秒 , 号码 ):0.039秒
=>“1.3%(1000环,1.5GHz的奔腾- M的,利用Matlab 7.7)
DateConvert不*不*验证作为Matlab的日期函数输入日期:
DATEVEC( 32 - 2 - 2008 25:62:63 )的答复[2008 3 4 2 2 7]
DateConvert( 32 - 2 - 2008 25:61:67 , 载体 )的答复[2008 2 32 25 61 67]!
因此DateConvert几乎微不足道,但对速度进行了优化。我需要时间排序200 000邮票,并从217个减少到11秒的时间。
请运行单元测试TestDateVec检查的有效性和速度。
测试:利用Matlab 6.5,7.7,7.8,winxp的,32位。
纯Matlab代码,所以兼容性的MacOS,Linux操作系统,64位预期。
英语月份名称是必要的。(DateConvert: Simple but fast date conversion
DateConvert converts the DATESTR(0) format to a date vector or serial date number and backwards.
Matlab s DATENUM, DATEVEC and DATESTR accept a variety of inputs, but in consequence they are slow. If the input format is exactly known, the conversion can be much faster:
DATENUM( 17-Oct-2009 11:08:23 ): 2.97 sec
DateConvert( 17-Oct-2009 11:08:23 , number ): 0.039 sec
=> 1.3 (1000 loops, 1.5GHz Pentium-M, Matlab 7.7)
DateConvert does*not* validate the input date as Matlab s date functions:
DATEVEC( 32-Feb-2008 25:62:63 ) replies [2008 3 4 2 2 7],
DateConvert( 32-Feb-2008 25:61:67 , vector ) replies [2008 2 32 25 61 67] !
So DateConvert is nearly trivial, but optimized for speed. I needed it for sorting 200 000 time stamps and reduced the time from 217 to 11 sec.
Please run the unit-test TestDateVec to check validity and speed.
Tested: Matlab 6.5, 7.7, 7.8, WinXP, 32bit.
Pure Matlab code, so compat)
- 2010-07-05 11:59:46下载
- 积分:1
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Matlab6.5
说明: 数字信号处理教程——MATLAB释义与实现(very good)
- 2010-04-10 21:33:03下载
- 积分:1
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Average_Path_Length
计算复杂网络平均路径距离,运行无错误,推荐下载!(The computational complexity of network average path distance, error-free operation, it is recommended to download!)
- 2013-04-17 23:06:29下载
- 积分:1
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MATLAB65assann
MATLAB 6_5 辅助神经网络分析与设计
飞思科技
电子工业出版社(MATLAB 6_5-assisted neural network analysis and design of fly Synopsys Publishing House of Electronics Industry)
- 2008-05-01 10:27:37下载
- 积分:1
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MATLAB_Turbo_Code
Matlab Turbo coding
- 2009-05-09 07:02:07下载
- 积分:1
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MATLAB-TOOLBOX-FUNCTION
MATLAB工具箱函数TOOLBOX FUNCTION,方便对照。(MATLAB toolbox function TOOLBOX FUNCTION is convenient control.)
- 2012-04-05 10:40:46下载
- 积分:1
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package_emd
黄锷论文中EMD和HHT的源程序,已经打包压缩,解压后可以使用(Wong Ngok paper on EMD and HHT source, has been packaged compression, decompression can be used after)
- 2013-09-25 10:55:31下载
- 积分:1
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Matlab-youhua
一篇matlab代码优化的文章,对写matlab代码具有很好参考意义!(A matlab code optimization of the article, write matlab code of good reference value!)
- 2011-04-19 15:20:14下载
- 积分:1