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×Ô¶¨ÒåÒ»¸öº¯ÊýÈ¥ÄâºÏÇúÏߣ¬ÔËÐÐÁË×ÜÊDZ¨´í£¬ ??? Error using ==> times Matrix dimensions must agree. Error in ==> dig at 14 a21=5140.*h1.*exp(k12.*xdata); ÇóÖú¸ßÊÖÖ¸µãÏ ydata1=[0 10 20 30 40 50 60 70 80 90 100]; ydata2=[0 0.07 0.15 0.25 0.35 0.49 0.59 0.72 0.91 1.14 1.47]; x0=[1/10 0.08 1/20]; options=[]; % default settings options(1)=1; % tabular display some intermediate results options(2)=1.e-4; % controls the accuracy of x at the solution options(3)=1.e-4; % controls the accuracy of f at the solution options(5)=1; % Gauss-Newton algorithum which is faster when residual is small options(14)=10000; % maximum number of function evaluations x=leastsq('dig',x0,options,[],ydata1,ydata2); function [ y1 ] = dig(tor,k12,kv) k21=0.816*k12; A20=11000; d=0.14*tor;g=k12/(k12+k21);h1=k21/(k12+k21); a21=5140.*h1.*exp(k12.*xdata)*exp(d*xdata); a22=(4685.*g-455.*h1).*exp(kv.*xdata); y1 = a21+a22; |
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