Area in a function
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Im trying to fill the area under a function but I dont know how to exactly do it, I want to plot the area between [-1, 1]
syms f(x)
f=1-x^4
t=0
I=int(f)
Area=subs(I,1)-subs(I,-1)
fplot(f,[-1,1])
hold on
fplot(t,'b')
回答（1 个）
David Hill
2022-1-26
x=-1:.001:1;
f=1-x.^4;
g=zeros(size(x));
plot(x,g,x,f);
x2 = [x, fliplr(x)];
inBetween = [g, fliplr(f)];
fill(x2, inBetween, 'g');
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