MATLAB: Is it possible to do a for loop of this code

for loop

Hi,

 sigma1cm0 = std(cm0_1); sigma1cmA = std(cmA_1);
 sigma1cmq = std(cmq_1); sigma1cmE = std(cmE_1);

The size of cm0/A/q/E its all the same

 >> size(cm0_1)
 ans =
     4     1

all 1 to 3 (three sets, from three different datas: cm0_1,cm0_2,cm0_3 and cmq_1,cmq_2 and so on ) and maybe each letter, as they have 'cm' in common? (0,A,q,E) Thanks

Best Answer

...if its possible to avoid the repetition and loop one line through all the four letters...

"Possible", yes, but "there be dragons" that way...

matlab.wikia.com/wiki/FAQ#How_can_I_create_variables_A1.2C_A2.2C....2CA10_in_a_loop.3F

for why and alternatives. I think newer doc has a discussion under eval of the topic as well. For this case probably the alternative of dynamically-named structure is good choice.

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MATLAB: Help with code error

One problem is that this loop index should be ‘jj’, not ‘ij’:

for jj = 1 : 101

and you are using the lower-case letter ‘l’ instead of the number 1 is two places.

This runs:

k=8.617e-5;
%Computation proper
for ii= 1 : 4;
    T= 100*ii;
    kT=k*T;
    dE(ii,1)=-5*kT;
    for jj=1: 101;
        f(ii,jj)= 1/(1 +exp(dE(ii,jj)/kT));
        dE(ii,jj+1)=dE(ii,jj)+(0.1 *kT);
    end
end
dE=dE(1:4,1 :101); %This step strips the extra dE value
plot(dE,f);grid;
xlabel('E-EF(eV)');
text(0.05,0.2,'T= 400K');
text(-.03,0.1,'T=100K');

I am not certain what result you want for the plot.

MATLAB: How to write Continue Long Statements on Multiple Lines

Use repmat to avoid manually typing all 160 of those ‘%q’ repeats!

Try this:

formatSpec = ['%f',repmat('%q',1,160), '%[^\n\r]'];

Best Answer

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MATLAB: Help with code error

MATLAB: How to write Continue Long Statements on Multiple Lines

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