how to plot this ?

7 次查看（过去 30 天）
diadalina
diadalina 2019-4-21
评论： KSSV 2019-4-23
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
显示 1更早的评论
diadalina
diadalina 2019-4-21
thank mr walter for your response, i mean by his half radius, the line that cuts its half radius
Walter Roberson
Walter Roberson 2019-4-21
Which angle should it be drawn at?

请先登录，再进行评论。

请先登录，再回答此问题。

回答（1 个）

KSSV
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
显示 2更早的评论
diadalina
diadalina 2019-4-22
thank you mr walter for your help ;
KSSV
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')

请先登录，再进行评论。

类别

在 Help Center 和 File Exchange 中查找有关 Creating and Concatenating Matrices 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by