MATLAB: How to set new variable for each cycle

cyclenew variablesine wave

The figure shows the data of the form sine wave. Now, I wish to define one new variable (e.g. a1, a2, a3) each corresponding to one cycle? Is it possible?

Best Answer

Get the indices of the least values...and you can divide/ name your data. Read about min, findpeaks and logical indexing.

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roots([a3, a2, a1, -h])

MATLAB: I have variables ‘Ereal2’,Ereal3,Ereal4,Ereal5.….so on…..how to call these variable in a single loop one by one.

Hi Ravi

I have to agree with Jonas. But if you insist to use indexing which is embedded to the variable name, you can take some ideas from the following piece of code

clear; clc;
for n=1:10
      % assign a value to each variable 
      strcmd=['Ereal' num2str(n) '=n^2 ;'];
      eval(strcmd);
      % display the value of each variable 
      disp(['Ereal' num2str(n) ' = ' num2str(eval(['Ereal' num2str(n)]))]);
end

The "key idea" is eval() function. You can find more info about this function on Mathworks help files

Best Answer

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MATLAB: How to solve polynomial backward

MATLAB: I have variables ‘Ereal2’,E​real3,Erea​l4,Ereal5.​….so on…..how to call these variable in a single loop one by one.

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MATLAB: I have variables ‘Ereal2’,Ereal3,Ereal4,Ereal5.….so on…..how to call these variable in a single loop one by one.