fitting a function to data by changing a variable
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Robert Roy
el 21 de Ag. de 2018
Comentada: Saumya Goel
el 30 de Ag. de 2018
stem='I:\Engineering\ChemEng\LaserGroup\Robert\Data\PMT HAB Measurements\21st Sept PMT HAB Profile\HAB Measurements\Eq1.7HAB';
n=18
r=n-1;
r_Profile(n)=r;
r=int2str(r);
rest='.csv';
combinedStr=strcat(stem,r,rest);
Profile=csvread(combinedStr,50010,0,[50010,0,51000,1]);
t=Profile(:,1);
sig=Profile(:,2);
sig=sig-mean(sig(1:100));
sig=-((sig));
max_Profile(n)=max(sig).';
figure;
plot(t,sig);
nlinfit(t,sig,myfun)
Hi there, I would like to fit the data read in by 'stem' to myfun which is a modelled function in a different script which changes the variable named dp? Thanks
1 comentario
dpb
el 21 de Ag. de 2018
"... myfun which is a modelled function in a different script "
Have to save myfun as an m-file; functions in scripts are local within the script and thus aren't visible outside the script.
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Saumya Goel
el 30 de Ag. de 2018
If the function you are referring (myfun) is defined in a script, then it is going to be a local function and cannot be accessed outside the script. In that case, as dpb pointed out you may have to save myfun as an m-file and add it to the MATLAB path.
Also, make sure you are passing the argument as function handle in nlintfit function. Please find the documentation for the nlintfit function.
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