How can a draw a line between two points?

2014 4 3
2 个回答
回答已采纳
更新时间：2014 4 9
39 次查看（30 天）

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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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 采纳的回答

Kelly Kearney
Kelly Kearney 2014-4-3

2 个投票

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.

更多回答（1 个）

Azzi Abdelmalek
Azzi Abdelmalek 2014-4-3
编辑：Azzi Abdelmalek 2014-4-3

1 个投票

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

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