compact way to plot "duration" elements, with different colors

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Do you know a compact way to plot a set of duration elements in different colors, without the loop for ?
% input (set of durations)
a = duration({ ...
'00:01:10'
'00:01:35'
'00:01:09'
'00:04:40'
'01:32:36'
'00:01:16'
'00:01:38'
'00:13:52'
'00:01:28'
'00:01:02'
'00:01:35'
'00:01:11'
'00:04:21'})
a = 13×1 duration array
00:01:10 00:01:35 00:01:09 00:04:40 01:32:36 00:01:16 00:01:38 00:13:52 00:01:28 00:01:02 00:01:35 00:01:11 00:04:21
% colors for the input elements (duration)
color = jet(3);
index_color = [1 1 1 1 2 1 1 3 1 1 1 1 1];
% plot both line and points (durations): this is the part I would like to
% re-write in a more compact way!
hold on
plot(a,'-','color','black')
for i = 1 : length(a)
plot(i,a(i),'o','markerfacecolor',color(index_color(i),:))
end
hold off

Accepted Answer

Steven Lord
Steven Lord on 20 Oct 2022
a = duration({ ...
'00:01:10'
'00:01:35'
'00:01:09'
'00:04:40'
'01:32:36'
'00:01:16'
'00:01:38'
'00:13:52'
'00:01:28'
'00:01:02'
'00:01:35'
'00:01:11'
'00:04:21'});
index_color = [1 1 1 1 2 1 1 3 1 1 1 1 1];
scatter(1:numel(a), a, [], index_color, 'filled')
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