find maximum and minimum

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sama
sama 2015 年 1 月 16 日
コメント済み: Image Analyst 2015 年 1 月 16 日
Hello, I have a matrix 1000*2 in Excel file. So I call these data and plot them. I am looking for all Maximum and minimum, however I don't know the equation due to having only points. I am using R2012a and couldn't use findpeak. any suggestions please?

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Image Analyst
Image Analyst 2015 年 1 月 16 日
If you don't have findpeaks() because you don't have the Signal Processing Toolbox, you can use imregionalmin() and imregionalmax() if you have the Image Processing Toolbox.
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sama
sama 2015 年 1 月 16 日
Thanks for response. How can I check if I have Image Processing Toolbox or Signal Processing Toolbax please.
Image Analyst
Image Analyst 2015 年 1 月 16 日
Well don't accept the answer if you haven't even tried it. type "ver" on the command line to see what toolboxes you have installed.

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