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Call a element of Varying Column vector

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Kt=rand(6,6);
u=rand(6,6);
for i=1:1:6
for n=1:1:5
fr(:, i)=Kt*u(:,i) % i am try to call earch column of u here for multiplying with Kt, if i am wrong please correct me.
eval(['fr',num2str(n),'=Kt*u(:,i)'])
end
end
%%% Now i want to call each element of fr one by one how can i call it.

Accepted Answer

David Hill
David Hill on 28 Apr 2022
Hard to understand what you are trying to do. Eval statement makes no sense as well as the douple for-loop. Eval would be overriding each i-loop to the same values. Why not just:
Kt=rand(6,6);
u=rand(6,6);
fr=Kt*u;
Then index into fr. To call each element in fr,
for k=1:numel(fr)
fr(k)
end
  7 Comments
Chaudhary P Patel
Chaudhary P Patel on 28 Apr 2022
sir, @David Hill ,what i am exactly want, i am unable to explain here without complete code. sir i mailed you. please reply me.
Chaudhary P Patel
Chaudhary P Patel on 29 Apr 2022
@David Hill sir, please correct me.
ut=rand(15,1);
uy=([0.84;0.384;0.784]);
eval (['U_y','=[u_y;u_y;u_y;u_y;u_y]']);
for n=1:15
if ut(n,1)<=U_y(n,1)
ut(n,1)=ut(n,1);
else
ut(n,1)=0;
end
utt(:,1)=ut(n,1); %% i want to store the ut as a utt in a column
end

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