Plotting a line between two points

6 次查看（过去 30 天）
Scott
Scott 2014-3-23
评论： Mischa Kim 2014-3-23
I am writing a script to simulate a mechanism. I am up to a point where I have x and y co-ordinates for each of the joints. I now need to plot lines between each point, for example between O2 and A. I attempted to put the x and y co-ordinates of each point into a matrix, but was having difficulties with that. Does anyone have any suggestions? Cheers.
O2_x(i) = 0;
O2_y(i) = 0;
A_x(i) = (link_2*cos(theta_2(i)));
A_y(i) = (link_2*sin(theta_2(i)));
B_x(i) = (A_x(i) + (link_3*cos(theta_3(i))));
B_y(i) = (A_y(i) + (link_3*sin(theta_3(i))));
O4_x(i) = 3.79;
O4_y(i) = 0;

请先登录，再回答此问题。

回答（2 个）

Mischa Kim
Mischa Kim 2014-3-23
编辑：Mischa Kim 2014-3-23
Scott, did you try it this way?
xi = [O2_x(i) A_x(i) B_x(i) O4_x(i)];
yi = [O2_y(i) A_y(i) B_y(i) O4_y(i)];
plot(xi, yi)
For two points you'd use
xi = [O2_x(i) A_x(i)];
yi = [O2_y(i) A_y(i)];
  1 个评论
Mischa Kim
Mischa Kim 2014-3-23
Check out:
x = 0:0.1:pi;
y = sin(x);
t = 0:0.1:10;
for ii = 1:numel(t)
plot(x,y*sin(t(ii)))
axis equal
ylim([-1 1])
F(ii) = getframe;
end
Please add follow-up questions and comments as comments, not answers.

请先登录，再进行评论。

Scott
Scott 2014-3-23
Hi Mischa, thanks so much.
I did try something similar, but I was putting an (i) out the front of the xi term. That makes complete sense now, thank you.
If you don't mind me asking, do you know how I would animate each iteration of the for loop?
Cheers, Scott

类别

在 Help Center 和 File Exchange 中查找有关 Annotations 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