How to obtain inflection points for a curve ?

5 次查看（过去 30 天）
Surendra Ratnu
Surendra Ratnu 2022-10-15
评论： Surendra Ratnu 2022-10-17
We want to find points where curve changed its slop and i attached curve .mat file.

请先登录，再回答此问题。

回答（1 个）

Walter Roberson
Walter Roberson 2022-10-15
use gradient() to take numeric derivative. Use gradient() again to get second derivative. Search the second derivative for zeros or sign changes.
  1 个评论
Surendra Ratnu
Surendra Ratnu 2022-10-17
There are many points but i want few points among. I showed in the image in green colour points for samples. I need only these points for given curve. Can you tell me how to do that.

请先登录，再进行评论。

类别

在 Help Center 和 File Exchange 中查找有关 MATLAB 的更多信息

标签

产品


版本

R2022b

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by