What should I do if I want to rotate a line?

3 次查看（过去 30 天）
Donghui Sun
Donghui Sun 2013-10-23
回答： Friedrich 2013-10-23
For example, we have line : y = 2*x; I want to rotate the line by 30 degrees in a counterclockwise direction.
What should I do ? Any suggestions?

请先登录，再回答此问题。

采纳的回答

Friedrich
Friedrich 2013-10-23
Hi,
In the case its rotating around the origin see here.
f = @(x) 2*x;
x = 0:0.1:10;
angl = 90;
rot_mat = @(angl) [cos(angl) -sin(angl); sin(angl) cos(angl)];
mat = rot_mat(deg2rad(angl));
f_rot = mat*[x;x*2];
plot(x,f(x),f_rot(1,:),f_rot(2,:));
legend('original','rotated')

更多回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 3-D Scene Control 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