how to extract the time interval where variables start to increase
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i have a function and i plot for every moment results of this function, such the image indicate, ,and then i want to detect the moment where variables start to increase and stop increasing
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Image Analyst
2016 年 2 月 28 日
Try this:
indexes = find(signal < -50);
That will tell you whenever an signal value is less than -200. If you want to find only stretches where it meets the condition for some minimum number of elements, you can use bwareaopen() to throw out short stretches.
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