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>> f=@(p,x)p(1)^x*(p(2)-p(3))+p(3);
T=100:-1:1;
data=xlsread('C:\Users\dell\Desktop\Êý¾ÝÄâºÏ\н¨ Microsoft Excel ¹¤×÷±í.xlsx',1,'B1:B100');
R=[data];
R=R';
p=lsqcurvefit(f,[1 1 1],T,R);
A=p(1);
B=p(2);
C=P(3);
´íÎóʹÓà ^
ÊäÈë±ØÐëΪ±êÁ¿ºÍ·½Õó¡£
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³ö´í @(p,x)p(1)^x*(p(2)-p(3))+p(3)


³ö´í lsqcurvefit (line 198)
            initVals.F = feval(funfcn_x_xdata{3},xCurrent,XDATA,varargin{:});

Ô­Òò:
    Failure in initial user-supplied objective function evaluation. LSQCURVEFIT cannot continue.
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luanch

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2Â¥: Originally posted by luanch at 2015-05-27 09:06:16
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3Â¥2015-05-27 22:26:03
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luanch

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4Â¥2015-05-29 15:50:33
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