recfit - hold on h b0=[1.0 1.0]; % start values for the...

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function recfit f global data; data=[ 0.6000 0.999 0.6500 0.998 0.7000 0.997 0.7500 0.995 0.8000 0.982 0.8500 0.975 0.9000 0.932 0.9500 0.862 1.0000 0.714 1.0500 0.520 1.1000 0.287 1.1500 0.134 1.2000 0.0623 1.2500 0.0245 1.3000 0.0100 1.3500 0.0040 1.4000 0.0015 1.4500 0.0007 1.5000 0.0003 ]; % experimental data ] x=data(:,1); Rexp=data(:,2); R plot(x,Rexp,'ro'); % plot the experimental data
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Unformatted text preview: hold on h b0=[1.0 1.0]; % start values for the parameters b=lsqnonlin('recfun',b0) % run the lsqnonlin with start value b0, returned parameter values stored in b r Rcal=1./(1+exp(1.0986/b(1)*(x-b(2)))); % calculate the fitted value with parameter b plot(x,Rcal,'b'); % plot the fitted value on the same graph...
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This note was uploaded on 09/27/2011 for the course EGM 3344 taught by Professor Raphaelhaftka during the Spring '09 term at University of Florida.

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