How to save indexes from a MATLAB figure in a matrix manually?

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Malahat Mehraban
Malahat Mehraban 2021-6-14
评论： Malahat Mehraban 2021-6-14
Hello everyone,
I have an ECG signal that I should find its R-peaks by an R-peak detection algorithm.
At the first, I want to acquire the peaks' indexes by clicking on the point and then saving all the indexes in a matrix. Is it possible to guide me on how to select the points manually and save their indexes?
After creating the matrix, I want to compare the algorithm results to the manual results.

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Mario Malic
Mario Malic 2021-6-14
Hello,
Here's an extensive answer by Adam that should cover everything you might need with the datatips (if you are able to create those on your figure). Otherwise see the CurrentPoint property. Sorry, I can't provide an example for this.

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