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maximums of data series.

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sama
sama 2015-1-16
评论： sama 2015-1-16
Hello,
I have a series data. Let say x and y. it is like a matrix 1000*2 in Excel file. So I call these data and plot them. I am wondering how can I find all maximums and minimums of these data. If i plot these data I can see there are 2 maximuns and minimums. I tried findpeak but I could get only 3 maximum (one was incorrect) and only y. so how can I find x? Thanks

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Image Analyst
Image Analyst 2015-1-16
How is this different than the same question you posted and accepted in http://www.mathworks.com/matlabcentral/answers/170235-find-maximum-and-minimum?
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sama
sama 2015-1-16
It was mistakenly submitted and didn;t know how to delete.

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