How to find the located points after smoothing the data? (See Figure)

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Pradeep Kumar Grandhi 2013-5-23

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Please open the following link for the image

As you can see, the data is very noisy. 1. What is the best and faster way to smooth the above data? 2. How to find those two points which are shown in red color?

Please suggest me the faster way as I have to process thousands of such profiles.

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Answer 1

Thomas 2013-5-23

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There are multiple options for smoothing the data

http://www.mathworks.com/help/curvefit/smoothing-data.html

doc smooth

http://www.mathworks.com/help/curvefit/smooth.html

http://www.mathworks.com/videos/importing-and-smoothing-data-68967.html

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Pradeep Kumar Grandhi 2013-5-23

Thomas, Thanks for answering. But, I do not have curve fitting toolbox to use these smooth function / Savitzky-Golay Filtering.

How to find the located points after smoothing the data? (See Figure)

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How to find the located points after smoothing the data? (See Figure)

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