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Making a horizontal region between two functions

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Ibraheem
Ibraheem 2022-11-4
编辑： Torsten 2022-11-5
How do i fix this, my region is showing on the wrong part of the fuction, but i want it on the other part. can i get help
f = @(x) x.^3;
ivf = @(y) y.^(1/3);
g = @(x)x-x;
ivg = @(y) y-y;
a = 0;
b =1;
fplot(f, [a, b]), hold on
fplot(g, [a, b], 'LineWidth',2)
ycoord = linspace(a, b, 20);
xcoord = [ivf(ycoord); ivg(ycoord)];
plot(xcoord, [ycoord;ycoord]), hold off
thanks

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回答（1 个）

Torsten
Torsten 2022-11-4
编辑：Torsten 2022-11-5
Ran in:
f = @(x) x.^3;
g = @(x) x.^(1/3);
a = 0;
b = 1;
hold on
fplot(f,[a,b])
n = 20;
for i = 1:n+1
start = [g((i-1)/n*b),1];
ende = [(i-1)/n*b,(i-1)/n*b];
plot(start,ende,'r')
end
hold off
grid on

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