how to plot this ?
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i have a circle and i want to plot his half radius in the same figure can anyone help me :
angle=linspace(0,2*pi,360);
x=cos(angle);
y=sin(angle);
plot(x,y)
axis('equal')
3 个评论
回答(1 个)
KSSV
2019-4-22
angle=linspace(0,2*pi,360)';
C = [0 0] ;
R = 1 ;
x=C(1)+R*cos(angle);
y=C(2)+R*sin(angle);
%
x1 = R/2*cos(angle) ;
y1 = R/2*sin(angle) ;
plot(x,y)
hold on
C1 = repmat(C,length(angle),1) ;
plot([C1(:,1) x1]',[C1(:,2) y1]')
axis('equal')
4 个评论
KSSV
2019-4-23
angle=linspace(0,2*pi,360)';
C = [0 0] ;
R = 1 ;
x=C(1)+R*cos(angle);
y=C(2)+R*sin(angle);
%
x1 = R*cos(0) ;
y1 = R*sin(0) ;
plot(x,y)
hold on
plot([C(:,1) x1]',[C(:,2) y1]')
axis('equal')
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