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chenflyer金虫 (小有名气)
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[求助]
帮忙看MF-DXA的代码，谢谢
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现在遇到，求解： ??? Error using ==> polyfit at 40 X and Y vectors must be the same size. Error in ==> MFDXA at 60 poly1=polyfit(SegNumb,Seg1',m); *＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊ function [s,q,Hq,h,Dh,logFq]=MFDXA(xsignal,ysignal,m,scmin,scmax,ressc,qmin,qm ax,qres) if length(xsignal)~=length(ysignal), disp('---ERROR: xsignal and ysignal is not the same length--'); end Fluct1=cumsum(xsignal-mean(xsignal)); FluctRev1=fliplr(Fluct1); N=length(Fluct1); Fluct2=cumsum(ysignal-mean(ysignal)); FluctRev2=fliplr(Fluct2); ScaleNumb=linspace(log2(scmin),log2(scmax),ressc); s=round(2.^ScaleNumb); q=linspace(qmin,qmax,qres); znumb=find(q==0); Fq=zeros(length(s),length(q)); for ns=1:length(s),%disp(strcat('---------computing scale number_',num2str(ns) )); Ns=floor(s(ns)\N); Var=zeros(Ns,length(q)); Varr=zeros(Ns,length(q)); for v=1:Ns, SegNumb=((((v-1)*s(ns))+1)  v*s(ns)))';%x_signal--------------------- Seg1=Fluct1(SegNumb); SegRev1=FluctRev1(SegNumb); poly1=polyfit(SegNumb,Seg1',m); polyr1=polyfit(SegNumb,SegRev1',m); fit1=polyval(poly1,SegNumb); fitr1=polyval(polyr1,SegNumb); %y_signal------------------------- Seg2=Fluct2(SegNumb); SegRev2=FluctRev2(SegNumb); poly2=polyfit(SegNumb,Seg2',m); polyr2=polyfit(SegNumb,SegRev2',m); fit2=polyval(poly2,SegNumb); fitr2=polyval(polyr2,SegNumb); %--------------------------------------- for nq=1:length(q), Var(v,nq)=((sum(((Seg1'-fit1).^2).*((Seg2'-fit2).^2)))/s(ns))^(q(n q)/4); Varr(v,nq)=((sum(((SegRev1'-fitr1).^2).*((SegRev2'-fitr2).^2)))/s( ns))^(q(nq)/4); end; clear Seg1 Seg2 SegNumb SegRev1 SegRev2 poly1 poly2 polyr1 polyr2 fit1 fit2 fitr1 fitr2 end; for nq=1:length(q), Fq(ns,nq)=((sum(Var(:,nq))+sum(Varr(:,nq)))/(2*Ns))^(1/q(nq)); end clear Var Varr Fq(ns,znumb)=(Fq(ns,znumb-1)+Fq(ns,znumb+1))./2; end logFq=log2(Fq); Hq=zeros(1,length(q)); for nq=1:length(q), P=polyfit(log2(s'),log2(Fq(:,nq)),1); Hq(nq)=P(1); end; tau=(q.*Hq)-1; hh=diff(tau)./(q(2)-q(1)); Dh=(q(1 end-1)).*hh)-tau(1end-1));h=hh-1; |
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lvweizhong
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?poly1=polyfit(SegNumb,Seg1',m) 两个参数维数不一致，在这句前加 size（SegNumb） size（Seg1'） 看看到底怎么不一样了 再往前追溯 发自小木虫Android客户端 |
2楼2015-10-20 22:12:40
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