How can i visualiize the peeks over the graph?

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Elias Unk 2018-7-24

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https://ww2.mathworks.cn/matlabcentral/answers/411805-how-can-i-visualiize-the-peeks-over-the-graph

关闭： MATLAB Answer Bot 2021-8-20

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My code for R peeks extraction:

   m1=max(ca2)*.40;%to test
          P=find(ca2>=m1);
          y_levels=ca2(P);
          P_loc=[];
          diff_pp=[];
          for k=1:length(P)-1
              diff=abs(P(k) - P(k+1));
              if(diff>20)
                  P_loc=[P_loc P(k)];
                  diff_pp=[diff_pp diff];
              end
          end
          diff_pp_min=min(diff_pp);
          diff_pp_max=max(diff_pp);
          diff_pp_mean=mean(diff_pp);
          diff_pp_amp=max(y_levels);