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

Question

Sim 2022-10-20

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1831478-compact-way-to-plot-duration-elements-with-different-colors

编辑： Sim 2022-10-20

采纳的回答： Steven Lord

在 MATLAB Online 中打开

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

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Answer 1

Steven Lord 2022-10-20

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1831478-compact-way-to-plot-duration-elements-with-different-colors#answer_1079713

在 MATLAB Online 中打开

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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Steven Lord 2022-10-20

在 MATLAB Online 中打开

All the markers created by one call to plot with one set of data inputs must have the same color. You could call plot with multiple sets of data inputs to create multiple lines at once with different colors as long as those colors are from the standard list available for use in a linespec. In the example below I use red circles, black plus symbols, and cyan triangles.

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'});

n = numel(a);

plot(1:3:n, a(1:3:n), 'ro', 2:3:n, a(2:3:n), 'k+', 3:3:n, a(3:3:n), 'c^')

Sim 2022-10-20

编辑：Sim 2022-10-20

many thanks @Steven Lord ! great !

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

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

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