How to make dynamic variable names (A1, A2, A3, ..., ) with "for" loop?
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abdelkrim bensmaine
am 15 Dez. 2021
Kommentiert: abdelkrim bensmaine
am 15 Dez. 2021
Hello community,
my knowledge of Matlab is limited, I admit it. So, I am sorry if I am going to make mistakes.
I have to create a series of variable using a "for" loop to associat it with a TF in order to draw Bode diagram for each delay,I tried this but it didn't work:
num = [1];
dem = [1 1 0 0];
T=[0.1,0.5,2,3,4,20];%% delay
% ind='A,B,C,D,E,F';
% index=strsplit(ind,',') I tried to make a variable with index(j) but
% it didn't work for me
for i=1:length(T)
for j=1:length(T)
eval(['A' num2str(j) ])=tf(num ,dem,'Inputdelay',T(i));
for plotId = 1 : 6
subplot(3,2,plotId), bode(A(j))
grid on;
title(['delay=',num2str(T(plotId))])
end
end
end
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Rik
am 15 Dez. 2021
Don't use numbered variables. Use cell arrays instead. I also changed your loops to use n instead of i and j (as they can be cofused for sqrt(-1)) and replace length with numel, as that is probably what you meant.
Since your three loops seemed to do the same thing, I merged them.
num = [1];
dem = [1 1 0 0];
T=[0.1,0.5,2,3,4,20];%% delay
% ind='A,B,C,D,E,F';
% index=strsplit(ind,',') I tried to make a variable with index(j) but
% it didn't work for me
for n=1:numel(T)
A{n}=tf(num ,dem,'Inputdelay',T(n));
subplot(3,2,n), bode(A{n})
grid on;
title(sprintf('delay=%.1f',T(n)))
end
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