How to shade area between standard deviations in a plot?

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Hi all,
I would like to shade the area between standard deviations.
The data is attached. My code is as follows:
load 'mean'
load 'std';
bottom_sd=(mean-sd);
top_sd=(mean+sd);
figure(1)
plot(mean,(bottom_sd),'r');
hold on;
plot(mean,(top_sd),'r');
patch([mean(:); flipud(mean(:))], [mean(:)-sd(:); flipud(mean(:)+sd(:))], [0.6 0.7 0.8])
hold off
But it gives me this. Cold you please help?

Accepted Answer

Jan
Jan on 28 Mar 2022
Edited: Jan on 28 Mar 2022
data1 = load('mean.mat');
m = data1.mean;
data2 = loadt('std.mat');
s = data2.sd; % Do not use "mean" and "std" as variables!
x = (1:numel(m)).';
figure;
axes('NextPlot', 'add'); % as: hold on
size(x)
size(low)
patch([x; flip(x)], [m + s; flip(m - s)], [0.6 0.7 0.8])
plot(x, m);
Your code mixes x and y coordinates.

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