Creating horizontal regions between functions

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Ibraheem
Ibraheem 2022-11-4
回答： Walter Roberson 2022-11-4
I tried doing it, but i kept getting it wrong, can you help and tell me what my mistake is.
f = @(x) cos(x);
g = @(x) x-x;
a = 0;
b =1;
fplot(f, [a, pi/2]), hold on
fplot(g, [a, pi/2], 'LineWidth',2)
ycoord = linspace(a, b, 20);
xcoord = [f(ycoord); g(ycoord)];
plot(xcoord, [ycoord;ycoord]), hold off
I used this code^^
but i want this
thanks.

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回答（1 个）

Walter Roberson
Walter Roberson 2022-11-4
Consider the top red line that you want. The x coordinates of the line should start from 0, but should end at the point where cos(x) = 0.95. So for any particular y coordinate, the ending x coordinate should be acos(y)

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