Add data labels to scatter plot

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Jake Welch
Jake Welch 2022-6-10
回答： Voss 2022-6-10
I have the code below, and i want to add a label with each data point. For the first data point, i want to label it '1', and second data point '2' and so on.
tenFootHorizontal = [2,3,-4.-1]
tenFootVeetical = [1,3,0,.5]
scatter(tenFootHorizontal,tenFootVertical,'red','filled');
xlim([-6 6]);
ylim([-10,10]);
ax = gca;
ax.XAxisLocation = 'origin';
ax.YAxisLocation = 'origin';
  1 个评论
dpb
dpb 2022-6-10
See examples @<text> This should not be a difficult learning task...give it a go!!!

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回答（1 个）

Voss
Voss 2022-6-10
Ran in:
tenFootHorizontal = [2,3,-4,-1];
tenFootVertical = [1,3,0,.5];
scatter(tenFootHorizontal,tenFootVertical,'red','filled');
% make data labels:
text(tenFootHorizontal,tenFootVertical,sprintfc(' %d',1:numel(tenFootHorizontal)))
xlim([-6 6]);
ylim([-10,10]);
ax = gca;
ax.XAxisLocation = 'origin';
ax.YAxisLocation = 'origin';

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