Plot two areas of logarithmic plots

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Adi Purwandana
Adi Purwandana 2024-5-14
评论： Voss 2024-5-14
Ran in:
Hello there,
I have two parameters that I want to plot them in one graph with area (transparent/alpha mode) for each of them as follow:
Here is my initial script (line plots):
load('data_x.mat')
figure;
plot(x1,y,'b','Linewidth',1);
hold on;
plot(x2,y,'r','Linewidth',1);
set(gca,'xscale','log','Ydir','reverse')
Warning: Negative data ignored
Does anyone know how to do that? Please find attached my data.
Thank you

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Voss
Voss 2024-5-14
Ran in:
load('data_x.mat')
figure;
plot(x1,y,'b','Linewidth',1);
hold on;
plot(x2,y,'r','Linewidth',1);
set(gca,'xscale','log','Ydir','reverse')
x_lim = xlim();
Warning: Negative data ignored
x_p = x1;
x_p(~isfinite(x1) | x1 <= 0) = x_lim(1);
patch([x_p x_lim([1 1])],[y y([end 1])],'b','EdgeColor','none','FaceAlpha',0.25)
x_p = x2;
x_p(~isfinite(x2) | x2 <= 0) = x_lim(1);
patch([x_p x_lim([1 1])],[y y([end 1])],'r','EdgeColor','none','FaceAlpha',0.25)
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