Find the peak values in the signal. The peak value is defined as the local maxima. For example, x= [1 12 3 2 7 0 3 1 19 7]; peaks = [12 7 3 19];
Hint: Plot x to visually analyse the signal and get the idea of finding the peak. Another hint : first derivative
The test suite has been expanded.
y = findpeaks(x);
why this one doesn't work?
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middleAsColumn: Return all but first and last element as a column vector
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find the maximum element of the matrix
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