Marking highlighted data points with text on a scatter plot

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Matt Rulli 2018-4-8

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https://ww2.mathworks.cn/matlabcentral/answers/393529-marking-highlighted-data-points-with-text-on-a-scatter-plot

评论： Steven Lord 2018-4-8

After highlighting data points on a scatter plot, how do I apply the text function to include the x values over the points?

scatter(range,ratsmask,'fill','red')

range is the domain of values, and ratsmask is a logical mask identifying which of those values meets a specific condition. The plot is done, but how do I display the x index as text above the point.

text(range,ratsmask,'????')

Any help is appreciated!

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回答（1 个）

Steven Lord 2018-4-8

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https://ww2.mathworks.cn/matlabcentral/answers/393529-marking-highlighted-data-points-with-text-on-a-scatter-plot#answer_314075

Use the text function.

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Steven Lord 2018-4-8

The num2str or sprintf functions may be of use.

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