select equity by touch

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Luca Re
Luca Re 2023-10-9
评论： Luca Re 2023-10-10
this is plot matrix
I want to select line and to know which column is selected

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Walter Roberson
Walter Roberson 2023-10-10
I suggest you consider using datatips; https://www.mathworks.com/help/matlab/creating_plots/create-custom-data-tips.html
Not all varieties of plotting support the kinds of datatips listed there. For some kinds of plots, see instead datacursormode
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Walter Roberson
Walter Roberson 2023-10-10
I think you might be looking at https://www.mathworks.com/help/matlab/ref/matlab.graphics.datatip.datatiptemplate-properties.html which has the example
p = plot(1:10);
dtt = p.DataTipTemplate
Here plot() is a MATLAB function call that is being asked to work on the data [1,2,3,4,5,6,7,8,9,10] . plot() of a vector returns the handle to a Chart Line object, https://www.mathworks.com/help/matlab/ref/matlab.graphics.chart.primitive.line-properties.html which is an object-oriented object so the variable p would be the reference to the graphics object.

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