Fill area under a curve
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Is the right path to filling an area under a plot always area(X,Y)? Does it also work for more comlicated functions with hundres of plotting points?
3 Commenti
John D'Errico
il 9 Mar 2023
@Nikola - since you already seem to know about area, why do you think it might not do what you want, since you seem to wonder if it will not work for you? Did you try something, and see something strange happen? Is there something confusing about the documentation for area that could perhaps be rectified? Please help us, so that we can better help you.
Risposte (2)
Arka
il 9 Mar 2023
Hi,
Yes, you can use area to plot the area under the curves for functions. I was not sure what you meant by "complicated function", but I tried to demonstrate the example using a relatively complicated function and quite a few data points.
x = linspace(0,2, 10000000);
y = sqrt(x)+power(x, 1/3)+526.*sin(1./x);
area(x, y)
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Dyuman Joshi
il 9 Mar 2023
Coloring the edges at the bottom -
You might need to adjust y-limits to see the baseline properly in your figure.
x = 0:0.0001:10;
y = 50*sin(x).*cos(x)-25*sin(x)+75*cos(x);
p = area(x,y);
%Change the Line style of baseline
p.BaseLine.LineStyle = '--';
%Make baseline prominent
p.BaseLine.Color = [1 0 0];
p.BaseLine.LineWidth = 2.5;
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