hello, i have a graph and i want to select some points automatically can anyone please help me. i attache the graph below and the points need to select are in circle.
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Alagu Sankar Esakkiappan on 7 Dec 2021
I see that you're trying to highlight abrupt points in the plotted graph. This may be achieved using findchangepts to find out indices of exact points of interest. The indices may then be highlighted using plot function and utilizing its properties.
The following code may provide you further understanding:
highlightIndices = (findchangepts(lab,'MaxNumChanges',6))'; % Tinker properties of findchangepts to specify highlighting behavior
plot(cal,lab); % Original Plot without highlighting
hold on % To make changes on top of previous plot
plot(cal(highlightIndices),lab(highlightIndices),"ro","MarkerSize",15); % Highlights points with Red Circle of Radius 15