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how to fill between 2 graphs

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halil hasan
halil hasan 2020-4-10
评论： Les Beckham 2020-4-14
Hi eveybody
I could not fill the gap betwween 2 curves. it is shown in below figure.
can anyone help me?
thanks
The code I used is:
plot(KI1,KP1);
xlabel('K_I');
ylabel('K_P');
grid on
hold on
x2=zeros(1,150)
y=linspace(-20,40,numel(x2))
plot(x2,y,'linewidth',2)
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darova
darova 2020-4-12
I have an error here
Do you know why?
halil hasan
halil hasan 2020-4-13
KI1 and KP1 are vectors. they can have any value.

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采纳的回答

Les Beckham
Les Beckham 2020-4-11
What do you mean by "fill the gap"? Do you want to connect the start and end points so that this becomes a closed curve? If so, this should do it:
plot([KI1(:); KI1(1)], [KP1(:); KP1(1)]);
xlabel('K_I');
ylabel('K_P');
grid on
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halil hasan
halil hasan 2020-4-14
Thanks alot for your kind replies, Beckham
Les Beckham
Les Beckham 2020-4-14
You are welcome. Glad I could help.

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更多回答（1 个）

darova
darova 2020-4-13
Here is my shot
y = 0:0.1:pi;
x1 = -sin(y);
x2 = y*0-0.3;
[xc,yc] = polyxpoly(x1,y,x2,y);
xx = [xc(1) x1(x1<x2) xc(end)];
yy = [yc(1) y(x1<x2) yc(end)];
plot(x1,y,x2,y)
patch(xx,yy,'r')
line(xc,yc,'marker','o')
success?

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