How can a draw a line between two points?

Question

Sandy 2014-4-3

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/124401-how-can-a-draw-a-line-between-two-points

评论： Sandy 2014-4-9

I have a plot that looks like the one below. I want to make vertical lines that connect each individual pair of blue & red points. How can I do this?

PARTIAL CODE:

plot(x, average,'o', 'MarkerEdgeColor', 'b', 'MarkerFaceColor', 'b');  % Blue points
hold on 
plot(x, average_2,'o', 'MarkerEdgeColor', 'r', 'MarkerFaceColor', 'r');  % Red points

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Answer 1

Kelly Kearney 2014-4-3

2
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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/124401-how-can-a-draw-a-line-between-two-points#answer_132012

在 MATLAB Online 中打开

Assuming that x, average, and average_2 are all row vectors

axes;
hold on;
plot(x, average,'o', 'MarkerEdgeColor', 'b', 'MarkerFaceColor', 'b');  % Blue points
plot(x, average_2,'o', 'MarkerEdgeColor', 'r', 'MarkerFaceColor', 'r');  % Red points
plot([x;x], [average; average_2], '-k');

If the data are column vectors you'll have to transpose the arrays.

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Sandy 2014-4-9

Thank you!

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Answer 2

Azzi Abdelmalek 2014-4-3

1
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/124401-how-can-a-draw-a-line-between-two-points#answer_132010

编辑：Azzi Abdelmalek 2014-4-3

在 MATLAB Online 中打开

plot(x, average,'-o', 'MarkerEdgeColor', 'b', 'MarkerFaceColor', 'b');
hold on 
plot(x, average_2,'-o', 'MarkerEdgeColor', 'r', 'MarkerFaceColor', 'r');  
hold off