how to set new variable for each cycle?

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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?

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Megha 2018-8-13

Stephen23 2018-8-13

"Now, I wish to define one new variable (e.g. a1, a2, a3) each corresponding to one cycle?"

The MATLAB documentation specifically advises against doing this: "A frequent use of the eval function is to create sets of variables such as A1, A2, ..., An, but this approach does not use the array processing power of MATLAB and is not recommended. The preferred method is to store related data in a single array"

source: http://www.mathworks.com/help/matlab/matlab_prog/string-evaluation.html

"Is it possible?"

Sure, it is possible, but only if you want to force yourself into writing slow, complex, buggy code. Read this to know more:

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

It is much simpler and more efficient to use indexing. You should use indexing.

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