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ÔÚÊý¾ÝÄ£Äâʱ³öÏÖÏÂÁдíÎó Error using lsqcurvefit (line 248) Function value and YDATA sizes are not equal. Error in Simulation_20150310 (line 17) Factor=lsqcurvefit('delta_sigma',factor0,Data(1:294,1),Data(1:294,2)); º¯ÊýΪ£º function f=delta_sigma(B,xdata) h=6.626*10^(-34); %µ¥Î»ÊÇJ¡¤S e=1.6*10^(-19); %µ¥Î»ÊÇC G0=e^2/pi/h; n=length(xdata); for i=1:n f(i)=(-psi(1/2+B(1)/xdata(i))+ ... 3/2*psi(1/2+(B(2)+B(3))/xdata(i))- ... 1/2*psi(1/2+B(2)/xdata(i))- ... log((B(2)+B(3))/B(1))- ... 1/2*log((B(2)+B(3))/B(2))); end µ¥¶ÀÔËÐк¯ÊýµÄʱºò¿ÉÒÔ£¬µ«ÊÇ·ÅÔÚ³ÌÐòÀï¾Í³öÏÖ¿ªÍ·µÄÎÊÌâ. ³ÌÐò£º clear all clc load Data.mat figure plot(Data(:,1),Data(:,2),'*'),hold on h=6.626*10^(-34); %µ¥Î»ÊÇJ¡¤S e=1.6*10^(-19); %µ¥Î»ÊÇC G0=e^2/pi/h; factor0=[3.1,0.5,1]'; Factor=lsqcurvefit('delta_sigma',factor0,Data(1:294,1),Data(1:294,2)); Ò»ÔËÐоͳöÏÖ´íÎó£¬ Error using lsqcurvefit (line 248) Function value and YDATA sizes are not equal. Error in Simulation_20150310 (line 17) Factor=lsqcurvefit('delta_sigma',factor0,Data(1:294,1),Data(1:294,2)); ÕâÊÇʲôÔÒò |
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