How to find a particular data in a residuals plot

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wesleynotwise
wesleynotwise 2017-6-8
评论： Star Strider 2017-6-12
I have a residual plot ( using plotResiduals(mdl, 'fitted'))where the data is taken from a Table.
Since I know the row number of the data in Table, how can I find the location a certain data in the plot? eg: the locations of the 15th and 50th data.

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Star Strider
Star Strider 2017-6-8
Not at all certain about this.
If I understand correctly, that would seem to me to be:
xd = x([15, 50]); % Desired Values Of Independent Variable
yd = y([15, 50]); % Desired Values Of Dependent Variable
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