How to find specific changes in my curve?

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Faezeh Manesh
Faezeh Manesh 2019-10-2
评论： Angelavtc 2020-11-3
Hello everyone,
Actually, I have a curve as bellow. I am trying to find theb red points in my curve where there are sort of bumps or shoulders in my curve. I don't know how I can find them. I know that there are not peaks. maybe I should look for a function to find change in slope. dsc.jpg

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回答（2 个）

Ajay Kumar
Ajay Kumar 2019-10-2
doc ischange
Faezeh Manesh
Faezeh Manesh 2019-10-2
Can anyone help me how I can calculate the slope of my curve at each point?
  1 个评论
Angelavtc
Angelavtc 2020-11-3
hey, take a look on this answer:
https://www.mathworks.com/matlabcentral/answers/515523-second-derivative-from-a-smoothing-spline-fit?s_tid=srchtitle

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