There is a signal (200 ms) that needs to be shifted every time by 12.5 ms.
Write MATLAB code which shifts the signal adds the overhanging part to signal start. After four such repetitions, we sum the signals.

For example if we have this signal: {111,222,333,444}, first we shift it by 12.5 ms and the shifted segment are add to the beginning {444,111,222,333} then {333,444,111,222} and so on, the final signal is equal to the summation of all signals.

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load ABRMLR5Hz


%shift by 64 points
shifted1=[signal(end-63:end) ; signal(1:end-64)];
shifted2=[shifted1(end-63:end) ; shifted1(1:end-64)];
shifted3=[shifted2(end-63:end) ; shifted2(1:end-64)];
shifted4=[shifted3(end-63:end) ; shifted3(1:end-64)];...
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