MATLAB Answers

Arrow of a vector ( r, theta) from a point (x,y).

4 views (last 30 days)
I need to show a arrow of a vector (r, theta) form a point (x,y). Is there any function to do that?
Thanks for help.

Accepted Answer

Star Strider
Star Strider on 9 Sep 2021
One approach (using the quiver function) —
x = rand
x = 0.3732
y = rand
y = 0.5120
r = rand
r = 0.9137
theta = 30; % Angle In Degrees
quiver(x, y, r*cos(deg2rad(theta)), r*sin(deg2rad(theta)))
axis([0 2 0 2])
Experiment to get different results.

More Answers (1)

the cyclist
the cyclist on 9 Sep 2021
You can make an arrow on a plot using the annotation function, or you may want to use a quiver plot if you want the arrow to come from the data itself.

Community Treasure Hunt

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

Start Hunting!