finding the extreme points

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Silpa K 2019-9-19

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https://ww2.mathworks.cn/matlabcentral/answers/481090-finding-the-extreme-points

关闭： Rik 2019-9-19

I have a set a=[0.4,0.3,0.48,0.32,0.12,0.42] .I plotted this plot(a).I need to find all the extreme points (minimum and maximum)and I need to mark it in the graph.How I can do this.Please help me.

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Silpa K 2019-9-19

If it is very large,how can I find all min and max Screenshot (30).png

Rik 2019-9-19

The image you posted doesn't make sense to me. The red markers don't seem to indicate local minima or maxima. So if you're looking to reproduce those red markers I don't know how to help you because your description is insufficient. If you want local minima and maxima, use the findpeaks function.

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