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JHJZ
说明: 几何校正 转换角度 需要的自己下载修改参数(Geometric correction)
- 2011-03-01 16:02:01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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Chapter_13
时变通信系统的仿真,使两个例子的代码其所选信道为全同获平信道(Time-varying communication system simulation, so that two examples of the code of its selected channel with the agreed level for the whole channel)
- 2007-11-27 22:26:35下载
- 积分:1
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conti
Inverse mathematical pendulum
- 2009-05-19 19:47:37下载
- 积分:1
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FNN
我在这里有一个基于matlab的RNN递归网络源代码,希望和大家一起分享(I have a Matlab-based RNN recursive network source code, I hope to share with everyone)
- 2012-04-22 11:40:11下载
- 积分:1
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SMOSVM
用于svc分类, 用SMO实现SVC,并在UCI数据集Iris上进行实验,2. 可借鉴现成SVM软件包,实现回归分析。
(For svc classification, using SMO to achieve SVC, and in the UCI Iris data set on the experiment, 2. SVM can learn ready-made packages, to achieve regression analysis.)
- 2011-06-07 00:45:15下载
- 积分:1
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testIfArgFunction
This program is testing the function
- 2014-09-05 14:56:40下载
- 积分:1
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HVDC_SynSTAT_Final
this is a simulation of HVDC system
- 2012-08-29 11:36:26下载
- 积分:1
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BP神经网络的数据分类-语音特征信号分类
基于BP神经网络的数据分类-语音特征信号分类(Data Classification Based on BP Neural Network-Voice Feature Signal Classification)
- 2020-06-15 23:20:01下载
- 积分:1
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MENXIANMOXING
matlab门限模型,这是一个用matlab做门限模型的一个好的程序。(matlab threshold model, which is a threshold model using matlab to do a good program.)
- 2013-08-16 11:41:55下载
- 积分:1