Hello, I have been trying to surf two parallel circles but data dimensions don't match and I don't know why. Any help would be nice. Thank you, Omar

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Omar Rashed
Omar Rashed 2016-10-6
评论： Omar Rashed 2016-10-6
radius = 1; center = [0 0]; theta = linspace(0,2*pi); X = center(1)+radius.*cos(theta); X=[X;X]; Y = center(2)+radius.*sin(theta); Y=[Y;Y]; Z = zeros(size(X));Z=[Z;Z];Z(2,:)=1;surf(X,Y,Z); hold on;

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采纳的回答

elias GR
elias GR 2016-10-6
Furthermore, surf is not the right command to do what you want. Try the following instead:
fill3(X(1,:),Y(1,:),Z(1,:),'r')
hold on
fill3(X(2,:),Y(2,:),Z(2,:),'b')

更多回答（2 个）

Massimo Zanetti
Massimo Zanetti 2016-10-6
编辑：Massimo Zanetti 2016-10-6
You doubled Z, delete the
Z=[Z;Z];
line and everything will be fine.
elias GR
elias GR 2016-10-6
编辑：elias GR 2016-10-6
Erase Z=[Z;Z]; This is not needed because X already have 2 rows and size(X)=[2 100]

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