Shade area between two lines on a plot - max., and min., values

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Edward Keavney
Edward Keavney 2022 年 8 月 4 日
回答済み: Star Strider 2022 年 8 月 4 日
I have three arrays, each 1X106 corresponding to the max., min., and mean values of a dataset.
See attached image. I would lie to be able to shade the area between the two dotted blue lines (the max. and min. values).
Any help would be greatly appreciated,
Thanks in advance!


Star Strider
Star Strider 2022 年 8 月 4 日
It would help to have the data.
This is straightforward using the patch function —
x = linspace(0, 110).'; % Entire Code Assumes Column Vectors
y1 = randn(size(x))/100 + 0.1;
y1d = 0.01*[-1 1] + y1;
y2 = randn(size(x))/100 + 0.01;
y2d = 0.01*[-1 1] + y2;
plot(x, y1, '-b')
hold on
plot(x, y2, '-r')
patch([x; flip(x)], [y1d(:,1); flip(y1d(:,2))], 'b', 'EdgeColor','b', 'LineStyle','--', 'FaceAlpha',0.25)
patch([x; flip(x)], [y2d(:,1); flip(y2d(:,2))], 'r', 'EdgeColor','r', 'LineStyle','--', 'FaceAlpha',0.25)
hold off
Make appropriate changes to get the result you want.

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