How to check in one loop for multiple values V1,V2,V3... I have write the code but I am not getting value multiplied in answer

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Fransi Mittal 2022-1-15

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https://ww2.mathworks.cn/matlabcentral/answers/1629325-how-to-check-in-one-loop-for-multiple-values-v1-v2-v3-i-have-write-the-code-but-i-am-not-getting

评论： Fransi Mittal 2022-1-15

V1= char(937);
V2=['k' char(937)];
R(1)=2;
R(2)=3;
n=2;
for i=1:n
   V=['V',num2str(i)];
   switch V
       case char(937)
           R(i)=R(i)*1;
       case ['k' char(937)]
           R(i)=R(i)*1000;
   end
end
disp(R(1));
     2
disp(R(2));
     3

How to check in one loop for multiple values V1,V2,V3... I have write the code but I am not getting value multiplied in answer

2 个评论
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Stephen23 2022-1-15

https://www.mathworks.com/matlabcentral/answers/304528-tutorial-why-variables-should-not-be-named-dynamically-eval

Fransi Mittal 2022-1-15

I know but I have to. Still, thank you .

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Answer 1

Simon Chan 2022-1-15

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https://ww2.mathworks.cn/matlabcentral/answers/1629325-how-to-check-in-one-loop-for-multiple-values-v1-v2-v3-i-have-write-the-code-but-i-am-not-getting#answer_874950

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One possible way is to use a cell array instead of different variables as following:

Use only one variable V.

V(1) = {char(937)};
V(2) ={['k' char(937)]}; 
R(1)=2;
R(2)=3;
n=2;
for i=1:n
   switch V{i}
       case char(937)
           R(i)=R(i)*1;
       case ['k' char(937)]
           R(i)=R(i)*1000;
   end
end