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数学建模源码
灰色系统理论建模源代码 function GM1_1(X0) %format long [m,n]=size(X0); X1=cumsum(X0); %累加 X2=[]; for i=1:n-1 X2(i,:)=X1(i)+X1(i+1); end B=-0.5.*X2 t=ones(n-1,1); B=[B,t] ; % 求B矩阵 YN=X0(2:end) ; P_t=YN./X1(1:(length(X0)-1)) %对原始数据序列X0进行准光滑性检验, %序列x0的光滑比P(t)=X0(t)/X1(t-1) A=inv(B."*B)*B."*YN." a=A(1) u=A(2) c=u/a ; b=X0(1)-c X=[num2str(b),"exp","(",num2str(-a),"k",")",num2str(c)]; strcat("X(k+1)=",X) %syms k; for t=1:length(X0) k(1,t)=t-1; end k Y_k_1=b*exp(-a*k)+c; for j=1:length(k)-1 Y(1,j)=Y_k_1(j+1)-Y_k_1(j); end XY=[Y_k_1(1),Y] %预测值 CA=abs(XY-X0) %残差数列 Theta=CA %残差检验 绝对误差序列 XD_Theta= CA ./ X0 %残差检验 相对误差序列 AV=mean(CA); &
- 2022-05-14 22:50:35下载
- 积分:1
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eslabprgms
visual c++ FOR EMBEDDED SYSTEMS AND FOR REAL TIME APPLICATIONS
- 2013-08-26 22:03:52下载
- 积分:1
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32单片机开发指南,新手必备
32单片机资料,新手必备!基础,实用
- 2022-04-17 09:11:50下载
- 积分:1
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Videoplayer
使用VC控件Videoplayer制作的简单的视频播放器!(Control the use of VC produced Videoplayer simple video player!)
- 2009-04-17 10:21:08下载
- 积分:1
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regdiet
WinCE下的注册表编辑器EVC代码可以实现完整的注册表编辑和查看功能。修改到ARM平台和MIPS,X86等平台版本都可以编译(WinCE Registry Editor under the code can be achieved EVC complete Registry Editor and viewing features. Modifications to the ARM platform and MIPS, X86 and other platform versions can be compiled)
- 2008-06-22 12:07:15下载
- 积分:1
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皮肤
很用的皮肤哦
- 2013-06-07下载
- 积分:1
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led
TMS320f2407学习经典例程,对DSP入门学习特别有益(5)!(TMS320f2407 learning classic routines, particularly useful for learning DSP Starter (5)!)
- 2009-11-21 11:27:57下载
- 积分:1
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ARM7自学ppt
本文件包含7章理论学习和4章手动实验,内容涉及SPI协议,动态扫描,串口传输,电机控制等(This document contains 7 chapters of theoretical learning and 4 chapter manual experiments, involving SPI protocol, dynamic scanning, serial port transmission, motor control and so on.)
- 2018-05-14 15:30:41下载
- 积分:1
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ANSharp165-B
CrossOver: Run Windows on Linux, easily and affordably.
- 2014-04-14 03:23:00下载
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bus
c++模拟公交车算法MFC实现包括每站上车下车人数(c++ MFC simulation algorithm implementation includes the bus and get off at each Station Number)
- 2014-06-16 14:57:53下载
- 积分:1