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jiangchunyong(½ð±Ò+1): лл 2011-11-18 08:57:55
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function y=HE(p,x)
r=p(1);EC50=p(2);
y=1-x.^r./(x.^r+EC50^r);
end
¶¨ÒåÍêHill Equationºó£¬ÔÚmatlabµÄcommand windowsÖÐÊäÈëÏÂÃæµÄ´úÂë
options=statset; %¿É×ÔÐж¨Òå²ÎÊý
p=rand(1,2); % pÊdzõʼ¹À¼ÆÖµ
[beta,r,J,Sigma,mse] = nlinfit(x,y, @HE,p,options); %·ÇÏßÐÔÄâºÏ
PlotX=0:100:max(x);
Pre_PlotX=HE(beta,PlotX);
% ×÷ͼ
plot(PlotX,Pre_PlotX); hold on
scatter(x,y);
errorbar(x,y,e,'LineStyle','none');
% ¸ã¶¨
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scatter(Dose,Effect);
errorbar(Dose,Effect,e,'LineStyle','none');
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