in reply to Any idea for predicting the peak points in the graph by perl
Not, this is not the right way
What you want probably is to find (to predict) the critic points of the function defined by your sample points. Obtaining the maximum point of the sample is not of much value because what is really interesting in the graph is the curve of the function that fits better your points. Its maximum and minimun points can be (and probably will be) between two given points
You probably need instead
use Math:Derivative;
increase gradually and then decrease graduallyClearly your teacher was trying to tell you something with this words. A requisite to be able to find what you want is that your function is continuous
EDIT: Well I see now that a lot of the last messages point to this yet. Your problem is a math problem, not a "sort this array" problem
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