六步学会用M精编B做空间计量回归详细步骤_第1页
六步学会用M精编B做空间计量回归详细步骤_第2页
六步学会用M精编B做空间计量回归详细步骤_第3页
六步学会用M精编B做空间计量回归详细步骤_第4页
六步学会用M精编B做空间计量回归详细步骤_第5页
已阅读5页,还剩20页未读 继续免费阅读

下载本文档

版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领

文档简介

1、六步学会用M精编B做空间计量回归详细步公司标准化编码QQX96QT-XQQB89Q8-NQQJ6Q8-MQM9N与MATLAB链接:Excel:选项一一加载项一一COM加载项一一转到一一没有勾选项CC) M加裁项可用力FoxitReader PDF Creator COM Add-in,-Inquire耶肖Microsoft Power Map for ExcelMicrosoft Power Pivot for ExcelF1Microsoft Power View for Excel中文转耐餓项删除2. MATLAB安装目录中寻找 toolbox- ex link-点击,启用宏E: MAT

2、LAB toolbox exl ink侈収口朗KJ41 COntentS2013/12/28 2:14MATLAB COde1 KBfib excllink2013/10/9 23:48MiCrOSOft EXCel.108 KB:丫 excllink20032013/10/9 23:48MiCrOSOft EXCel -305 KBS* ExliSamp2009/11/5 19:58MiCrOSOft ExCel.72 KB4, getfu notion help2010/12/4 2:17EATLAB COde2 KB4, getfunctionlis t2010/12/4 2:17MAT

3、LAB COde3 KBMgetfunctionsign ature2012/5/4 2:59MATLAB COde4 KB%1 info2007/7/24 0:22XMLA1 KB然后,EXCel中就出现MATLAB工具二口 I A脅B愆共享野|X廊益器打X单锁卿LA辽具*(注意EXCel中的数据:)Zv4U 4.IJIJZJJJU.iaZblJ4U.IlJlJZd/4bbbdbJW14.11214.b29414.8402420.1801810.1585194.775782579.2452.129424.6839810.118179-0.03264.8548996354.14965.1294

4、34.3956830.3505260.1754084.8564535152.23950.229444.5849670.1200770.03264.5685861862.11465.429454.5664290.2295380.2408064.7582615017.33853.829464.7077270.1002870.1313914.711692483.3360.5L Sheet33 -启动 mat lab(1)点击 Start MATLAB(2) senddat. to matlab,并对变量矩阵变量进行命需(注意:选取变量为数 值,不包括各变量)-a ItalT1%I43565-231

5、| ?IWI c-如C40V.仃462T1S A 0 二二二住& fl*.W= 4 %一.8 OX% fJ爲哄A 0aw:心tKlgoeoQ14S4Z234 13 330Q24S263M-02402 XJ12SK020613 0纽03(% | B0 UO633-HKDa44S5562r1 1-:424550勒06SQilOi(切C1W2X4 556: ?toi5 1VH321曲ei-i02冋4 3.104%Tn;ICAt02沖 W2r0214M1W2J3OW202刃24 2Wh0214 72334210641QUta2闾科022M2%2:00冏0lW)C012 九4-0621 77RW1OKJ

6、W202ftl41 1CA714 356 他 AIav- | qU7A4I公3M3i$nW2124 12C72 1K353V75631399 ” B2T$U451 eH15BMnOPQR3(dckd表中数据进行命名)000(空间权重进行命名)(3)导入MATLAB中的两个矩阵变量就可以看见详细宿定人工作区:MATLAB R2Zt-rr-AL换1 ,绘图序/& UB&码&运fM士时齡證BSimlllink 嵋尸 L膵本打开圍该【作区&清除工作区清瞬令 4 Bl崗尤c4.将elhorst和jplv7两个程序文件夹复制到MATLAB安装目录的toolbox文件夹elhorst2017/1/14 19

7、:08文件夹jp I v72017/1/15 0:46 文件夹5 设置路径:布局ink邑社I応|更改MATLAB用于宣找INK/将文件舞加到路径丿 丽(EJ MATLAB toolbox 圖囹片A舍称侈改日期2017/1/1612:19 丈件夹Ajp | v7罰迅矛下载|0C3|2017/1/14 9:34丈借夹J育乐Wllte2017/1/14 9:22一 7map2017/1 门 4 9:23砧家庭毎matlab2017/1/14 9:24文険Matlab PrOgrafT | 2003-20142017/1/15 2:59:%计箕机matlabxl mhr2017/1/14 9:23益本

8、地注C)201 刀 1/14 9:25mpc2017/1/14 9:24专业(D:)nnet2017/1714 9:25一丽(E)OPC2017/1/14 9:25Osj 舸(R)ODtim2017.1/14 9:25文得夹 : CD SK%三 ifn4I川文件范jp I v7选举文件夬馭肖6 输入程序,得出结果10M TD T la夕 匸 w. 八小命令施口 1=30;N 二坯 6:W二nor三(WL):y 二A(Fj3);x二A(;j 6);XConStant=OlneS (N*T? 1): r nobs Kl=SLZe(x): j 12V 丄30;N=46;W=normw(Wl); y=

9、A (:, 3);X=A (:, 4, 6);XCOnStant=OneS(N*T, 1);nobs K=size(x);results二ols (y, xconstant x);VnameS=StrvcatC Iogcit, ,,intercept, , Iogp,, logy);Prt_reg (results, Vnames, 1);Sige=*(nobs-K)/nobs);IOglikOlS二-nobs/2*log(2*pi*sige厂1/(2*sige)* *% The (robust)LM tests developed by ElhOrStLMSarSem_Panel(resul

10、ts, W, y, rxconstant x) ; % (RObUSt)LM tests解释每一行分别表示:小该面板数据的时期数为30 (T二30), 该面板数据有30个地区(N二30),将空间权重矩阵标准化(W二no:TnIW (W1),将名为A (以矩阵形式出现在MATLABA中)的变量的笫3列数扌居定义为被 解释变量y,将名为A的变量的第4、5. 6列数据定义为解释变量矩阵X,定义一个有N*T行,1列的全1矩阵,该矩阵名为:XCOnStant, (OneS即为全1 矩阵)说明解释变量矩阵X的大小:有nobs行,K列。(SiZe为描述矩阵的大小)。附录:静态面板空间计量经济学.OLS静态面

11、板编程1、普通面板编程30;N 二 46;W=normw(Wl);y=A(:, 3);X=A( : , 4, 6);XCOnStant二OneS(N*T, 1);nobs K=size(x);results二ols (y, xconstant x);logy);% (RObUSt) LMVnameS=StrvcatC Iogcit, , intercept, , Togp,,Prt_reg (results, Vnames, 1);Sige二*(nobs-K)/nobs);IOglikOIS二-nobs/2*log(2%i*sige厂1/ (2*sige)* *% The (robust)LM

12、 tests developed by ElhOrStLMSarSem_PaneI (results, W, y, FxconstalTt x) t ests2、空间固定 OLS (SPatial-fixed effects)N=46;W=normw(Wl);y=A( : ,3);x=A(:, 4, 6);XCOnStantpnes (*T, 1);nobs K=size(x);model=l;ywith, XWith, meanny, meannx, meanty, meantx=demean (y, x, N,T, mo del);resuItS=zoIs (ywith, XWith);V

13、nameS=Strvcat C IOgCit, , logp, , logy,); % ShOUld be Changed if X is Changedp*Tt_reg (results, VnameS);sfe=meanny-meannx*; % including the COnStant termyme = y - mean(y);et二ones (T, 1);error=y-kron (et, Sfe)-X*;rsqrl = error *er:T0r;rsqr2 = yme*yme;FE_rsqr2 =- rsqrl/rsqr2 % rsquared including fixed

14、effectsSige=*(nobs-K)/nobs);IoglikSfe二-nobs/2*log(2*pi*sige)T/(2*sige)* *LMSarSeln_Pane 1 (results, W, ywith, xwith) ; % (RObUSt) LM tests3、时期固定 OLS (time-period fixed effects)T=30;N=46;W=normw(Wl);y=A(:, 3);x=A (:, 4,6);XCOnStant二OneS(N*T, 1);nobs K二size (x);model=2;ywith, xwith, meanny, meannx, me

15、anty, meantx =demean (y, x, N,T, model);results=ols(ywith, XWith);VnameS=StrvcatC IOgCit,, logp, , logyO ; % ShOUId be Changed if X is Changed30;Prt_reg(results, VnameS);tfe=meanty-meantx*; % InCIUding the COnStant termyme 二 y - mean(y);en=ones (N, 1);error=ykron (tfe, en)-X*;rsqrl = error1 *ex t or

16、;rsqr2 = yme, *yme;FE_rsqr2 =- rsqrl/rsqr2 % rsquared including fixedeffectsSige=*(nobs-K)/nobs);IOgliktfe二-Hobs/2*log(2*pi*sige)T/(2*sige)* *LMSarSenI_PaneI (results, W, pvith, XWith) ; % (RObUSt) LM tests4、空间与时间双固定模型T=30;N=46;W-normw(Wl);y二A(:,3);x=A(:, 4, 6);XCOnStant二OneS (N*T, 1);nobs K二size(x)

17、; model二3;ywith, xwith, meanny, meannx, meanty, meantx=demean(y, x, N, T, model);results二ols(ywith, XWith);VnameS=Strvcat Iogcit,, logp,,,logy,); % ShOUld be Changed if X is ChangedPrt_reg(results, VnameS) en=ones (N, 1);et二ones (T, 1);intercept=mean(y)-mean(x) *;sfe=meanny-meannx*(en, intercept);tf

18、e=meanty-meantx*(et, intercept);yme 二 y - mean(y);ent=ones (N*T, 1);error=y-kron (tfe, en)-kron(et, Sfe)-X* (ent, intercept);rsqrl = error,terror;rsqr2 = yme*ynie;FE_rsqr2 =- rsqrl/rsqr2 % rsquared InCIUding fixedeffectsSige=*(nobs-K)/nobs);IOglikstfe二-Hobs/2*log(2*pi*sige)-1/ (2*sige)* *LMSarSeln_P

19、ane 1 (results, W, ywith, xwith) ; % (RObUSt) LM tests二、静态面板SAR模型1、无固定效应(Xo fixed effects )T=30;N=46;W=normw(Wl);y二A(:, 3);X=A(:, 4,6);for t=l:Ttl=(t-l)*N+ljt2=t*N; wx(tl:t2, :)=W*x(tl: t2,:);endXCOnStant=OneS(N*T, 1);nobs Kl=SiZe(X);=0;=0;=0;resul ts=sar panel-FE(j Exconstant x, W, T, info); VnameS

20、=St rVCat( IOgCit,- intercept, logp, IOgy ); Prt SPneW( resul ts, Vnames, 1)% Print OUt effects estimatesSPat_model=0;directindirecteffeets_estimates(results, W, spat model);Panel effects sar (resul ts, Vnanles, W);2、空间固定效应(SPalial fixed effects)T=30;N=46;W=normw(Wl);y=A(:, 3);X二A(:, 4,6);for t=l:Tt

21、1=(t-1)*N+1;t2=t*N;WX(tl:t2, :)=W*x(tl:t2,:);endXCOnStant=OneS(N*T, 1);nobs Kl=SiZe(X);=0;=1;=0;resultS=Sar-Panel-FE(y, x, W, T, info);VnameS=St rVcat (* logci t, logp J logy);Prt-SPneW(results, Vnames, 1)% Print OUt effects estimates spatmode 1=0;di rect_indi rect_ef feets_est imates(r esul ts, W,

22、spat model); Pane I- effectssar(results, Vnames, W); 3时点固定效应(Time PeriOdfixed effects)T=30;N=46;W=normw(Wl);y=A(:, 3);X=A (:, 4, 6);for t=l:Tt1=(t-1)*N+1;t2=t*N;wx(11:12, :)=W*x(11:t2,:);endXCOnS t an t =0neS(N*T, 1);nobs Kl=SiZe(X);=0; % requi red for exact results=2;=0; % DO not Print intercept an

23、d fixed effects; USe =1 to lurn On results=sarpanel-FE(y, x, W, T, info);VnanleS=St rVcat (* logci t, Iogp, logy);Prt-SPneW( resul ts, VnameS:!)% Print OUt effects estimatesspat mode 1=0;di rect_indi rect_ef feets est imates(resul ts, W, spat-model);Panel effeets sar(results, VnameSr W);4、固父攵应(SPati

24、a 1 and time PeriOd fixed effects )T=30;N=46;W=normw(Wl);y=A(:, 3);X=A (:, 4, 6);for t=l:Tt1=(t-1)*N+1;t2=t*N;wx(11: t2, :)=W*x(11:t2,:);endXCOnS t an t=0neS(N*T, 1);nobs Kl=SiZe(X);=0; % required for exact results=3;=0; % DO not Print intercept and fixed effects; USe =1 to lun On resultS=Sar-Panel-

25、FE(y, x, W, T, info);VnameS=St rVcat (* logci t , logp*, logy);Prt-SPneW(results, Vnames, 1)% Print 0l4 effects est imates spatmodel=0; di rect_indi rect_effects_est imates(results, W, spatmode 1); Panel effects-sar (resul ts, Vnan t es, W);三、静态面板SDM模型1无固定效应(NO fixed effects )T二 30;N=46;W=normw(Wl);

26、y=A(:, 3);X=A (:, 4, 6);for t=l:Ttl=(t-l)*N+ljt2=t*N;WX(tl:t2, :)=W*x(tl:t2,:);endXCOnStant=OneS(N*T, 1);nobs Kl=SiZe(X);=0;=0;=0;resul tS=Sar-Panel-FE(y, Exconstant X vx, W, T, info);VnameS=StrVCatC IOgCit interceptA, logp-, log , W*logp ,1 W* 1 ogy1;Prt-SPneW(results, Vnames, 1)% Print OUt effects

27、 estimatesspat mode 1=1;di rect_indi rect_ef feets_est imates(results, W, spat model);Panel effectS-Sdm(results, VnameSf W);2 空间固定效应(SPalial fixed effects )T=30;N=46;W=normw(Wl);y=A(:, 3);X=A (:, 4, 6);for t=l:T11=(t-1)*N+1;t2=t*N;WX(tl:t2, :)=W*x(tl:t2,:);endXC0nStant=0neS(N*T, 1);nobs Kl=SiZe(X);=

28、0; % required for exact results=1;=0; % DO not Print intercept and fixed effects; USe =1 to turn On results=sar-panel-FE(y, x wxf W T, info);VnameS=StrVCat ( IOgCit/ logp*, logy1 W*logp,1 W*logy);Prt-SPneW(results, Vnames, 1)% Print OUt effects estimates spat model=l;di rect_indi rect_ef feets_est i

29、mates(results, W, spat model);Panel-effectS-Sdln(results, Vnanles, W);3 时点固定效应(Time Period fixed effects)T=30;N=46;W=normw(Wl);y=A(:, 3);x二A(:, 4,6);for t=l:Ttl=(t-l)*N+ljt2=t*N;WX(tl:t2, :)=W*x(tl: t2,:);endXCOnStant=OneS(N*T, 1);nobs Kl=SiZe(X);=0; % required for exact results=2;=0; % DO not Print

30、 intercept and fixed effeets; l.Se =1 to turn On % NeW routines to Calculate effects estimates results=sarpanel-FE (jx wx, W, T, info);VnameS=St rVCat ( IOgCi f logp*, IOgy, W*logp*, W*1ogy);% Print OUt Coefficient estimatesPrt-SPneW(results, Vnames, 1)% Print OUt effects estimatesSPat_model=l;di re

31、ct_indi rect_ef feets_est imates(results, W, spat model);PaneleffectS-Sdm(results, Vnanles, W)4、j又固三父攵应(SPatia 1 and time PeriOd fixed effects)T=30;N=46;W=normw(Wl);y=A(:, 3);X=A (:, 4, 6);for t=l:Ttl二(tl)*N+ljt2=t*N;WX(tl:t2, :)=W*x(tl:t2,:);endXC0nStant=0neS(N*T, 1); nobs Kl=SiZe(X);=0;=0; % requi

32、red for exact results=3;=0; b DO not Print intercept and fixed effects; USe =1 to turn On results=sar-panel FE(y, xvx, W, T, info);VnameS=St rVCat ( logci t r logp:;:, * logy; W*logp-, * WMogy);Prt-SPneW(results, Vnames, 1)% Print OUt effects estimatesspat model=l;di rectindi rectef feet sest i mate

33、s (results, W, spat model);PaneI effectS-Sdm(results, VnanleSi W)Wald test SPatial lag% Wald test for SPatial DUrbin model against SPa t i a I lag mode) b t emp=;VarC0V=;Rafg=ZerOS(KJ 2*K+2);for k=l:KRafg(k, K+k)=l; % R(l,3)=0 and R(2, 4)=0;endWald-SPatial-lag=(Rafg*btemp) *inV(Rafg*varcov*Rafg )*Ra

34、fg*btempPrOb-SPatiala$I-ChiS-Cdf (Wald-SPatial-lag, K)Wald test SPatial error% Wald test SPatiaI DUrbin model against SPatial error model R=ZerOS(K, 1); for k=l:KR(k)=btemp(2*K-J-l)*btemp(k)+btemp(K+k)J % k Changed in 1, 7/12/2010 %R(I)=btemp(5)*btemp(1)+btemp(3);% R(2)=btemp(5)*btemp(2)+btemp(4);en

35、dRafg=Zeros(K, 2*K+2);for k=l:KRafg (k,k) =btemp(2*K-rl); % k Changed in I 7 12/2010Rafg(k, K+k) =1;Rafg(k, 2*K+1)=btemp(k);% Rafg(l, l)=btemp(5);Rafg(l, 3)=1;Rafg(l, 5)=btemp(1);% Rafg(2, 2)=btemp(5);Rafg(2, 4)=1;Rafg(2, 5)=btemp(2);endWald-SPat ial error=R *inv(Rafg*varcov*Rsf 才)*RPrOb-SPat ial er

36、ror=l -ChiS-Cdf (Wald-spat ial_error, K)LR test SPatial lagresul tssar=Sar-PaneI-FE(y, x, W, T, info);LR-SPat ial_lag=-2* (LR-SPatial lag, K)LR test SPatial errorresul tssem=Senl Panel FE(y, x, W, T, info);LR-SPat ial_error=-2* (LR-SPat i alerror, K)5、空间随机效应与时点固定效应模型T二 30;N 二 46;W=normw(Wl);y=A(:, 3

37、);X=A (:, 4, 6):for t=l:T11=(t-1)*N+1;t2=t*N;WX(tl:t2, :)=W*x(tl:t2,:);endXCOnStant=()neS(N*T, 1);nobs Kl=SiZe(X);5wi th, XWithJ meanny, meannx, meanty, meantx=demean (y, x WX1, N, T, 2) J % 2=t ime dummies =1 ;results=sar panel RE (ywith, xwith, W, T, info);Prt-SPneW( resul ts, VnameS:l)spat mode 1

38、=1;di rec t_i nd i rec t_ef feet sest i mates (results, W, spat model);PaneI effectS-Sdln(results, Vnames, W)Wald test SPatial lagbtemp=(1:2*K+2);VarCOniz2*G2, 1:2*K=2);Rafg=Zeros(K, 2*K+2);for k=l:KRafg(k, K-k)=l; % R(l,3)=0 and R(2, 4)=0;endWald-SPatiaI Iag=(Rafg*btemp)1 *inV(Rdfg*varcov*Rafg, )*R

39、afg*btempPrOb-SPat i a LI ag= I-ChiS-Cdf (Wald-SPat ial-lagi K)Wald test SPatial errorR=ZerOS(K)l);for k=l:KR(k)=btemp(2*K-rl)*btemp(k)+btemp(K+k) J ; k Changed in 1, %7/12/2010R(I)=btemp(5)*btemp(l)+btemp(3);% R( 2 )=bt emp( 5) *bt emp( 2 )+bt emp(4);endRafg=Zeros(K, 2*K+2);for k=l:KRafg(k, k) =bte

40、mp(2*K-l); % k Changed in 1, 7 12/2010Rafg(k, K-k) =1;Rafg (k, 2*K-rI)=btemp(k);: Rafg(b l)=btemp(5);Rafg(l, 3)=1 ;Rafg(l, 5)=btemp( 1);-: Rafg (2, 2)=btemp(5); Rafg (2, 4)=1; Rafg (2, 5)=btemp(2);endWa 1 d-SPat ia 1 -error=R *inv(Rafg*varcov*Rafg*)*RPrOb-SPat ial error= I-ChiS-Cdf (Waid-SPat ial er

41、ror, K)LR test SPatial lagresul tssar=Sar Panel RE(A;i th, XWi th(: J 1:K), W, T, info); LR-SPat ial_lag=-2* (LR-SPat ial-lag,K)LR test SPatial errorresul tsSem=SenI-Panel RE(Ari th, XWith(:, 1:K)i W, Tr info);LR-SPatial_error=-2* (LR-SPat ial error, K)四、静态面板SEM模型1 无固定效应(NO fixed effects )T=30;N=46;

42、W=normw(Wl);y=A(:, 3);X=A (:, 4, 6);for t=l:Ttl=(t-l)*N+ljt2=t*N;wx(11: t2, :)=W*x(11:t2,:);endXCOnStant=OneS(N*T, 1);nobs Kl=SiZe(X);=O;=O;=O;resul ts=sem panel-FE(y, Exconstant x, W, T, info);VnameS=StrVCat( IOgCi t intercept, logpJ IOgy);Prt-SPneW(results, Vnames, 1)% Print OUt effects estimatesS

43、Pat_model=0;directindirecteffeets_estimates(results, W, spat model);Panel.effects.sar (resul ts, Vnanles, W);2、空间固定效应(SPatial fixed effects)T=30;N=46;W=normw(Wl);y=A(:, 3);X=A(:, 4,6);for t=l:Tt1=(t-1)*N+1;t2=t*N;WX(tl:t2, :)=W*x(tl:t2,:);endXCOnStant=OneS(N*T, 1);nobs Kl=SiZe(X);=O;=1;=O;resul ts=S

44、eIn-Panel FE (y, x, W, T, info);VnameS=St rVcat (* logci t , logp J 1 1ogy);Prt-SPneW( resul ts, Vnames, 1)% Print OUt effects est imatesspat mode 1=0;di rectindi rectef feets_est imates(results, W, spat-model); Pane Ieffects.sar(results, VnameSf W);3时点固定效应(Time Periodfixed effects)T=30;N=46;W=normw

45、(Wl);y=A(:, 3);x二A(:, 4,6);for t=l:Ttl二(tl)*N+ljt2=t*N;wx(t1:t2, :)=W*x(t1:t2,:);endXCOnStant=OneS(N*T, 1);nobs Kl=SiZe(X);=0; % requi red for exact results=2;=0; % DO not Prini intercept and fixed effects; USe =1 to turn On results=sempanel-FE (y, x, W, T, info);VnanleS=St rVcat (* logci t1 / logp

46、J logy);Prt-SPneW(results, VnanleS. 1)% Print OUt effects estimatesspat mode 1=0;di rect_indi rect_ef feets_est imates(results, W, spat-model);Panel effects sar (resul ts, Vnanles, W);4、固父攵应 (SPatia 1 and time PeriOd fixed effects)T=30;N=46;W=normw(Wl);y=A(:, 3);X二A(:, 4,6);for t=l:Ttl二(tl)*N+ljt2=t

47、*N;WX (tl:t2, :)=W*x(tl:t2,:);endXCOnS t an t=0neS(N*T, 1);nobs Kl=SiZe(X);=0; % required for exact results=3;=0; % DO not Print intercept and fixed effects; USe =1 to turn On results=sempanel-FE (y, x, W,T, info);VnameS=St rVcat (* logci t, logp: logy);Prt-SPneW(results, Vnames, 1)% Print OUt effec

48、ts estimatesspat mode 1=0;di rect_indi rect_ef feets_est imates(results, W, spat-model);Panel effeets-sar(results, Vnames, W);五、静态面板SDEM模型1 无固定效应(o fixed effects )T=30;N=46;W=normw(Wl);y=A(:, 3);X=A (:, 4, 6): for t=l:Ttl=(t-l)*N+l;t2=t*X; wx(t1:t2, :)=W*x(t1:t2,:); endXCOnStant=OneS(N*T, 1);nobs Kl

49、=SiZe(X):=0;=0;=0;resul ts=sem panel FE(y, Exconstant X vxj, W, T, info);VnameS=StrVCat(1 IOgCit , intercept / logp*, IOgy ,W*logp W*logy);Prt-SPneW(results, Vnames, 1)% Print OUt effects estimatesspat moclel=l;di rec t_i nd i rec t_ef feet sest i mates (results, W, spat-model);PaneIeffeetSSdm(results, Vnanles, W);2、空间固定效应(SPatial fixed effects)T=30;N=46;W=normw(Wl);y=A(:, 3);X=A (:, 4,6);for t=l:T11=(

温馨提示

  • 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
  • 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
  • 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
  • 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
  • 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
  • 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
  • 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

评论

0/150

提交评论