How to draw a circle in GNU Octave

Using the octave extra package octave-geometry you can use the function drawCircle as

drawCircle(x_position, y_position, radius)

1. Download the package from https://octave.sourceforge.io/geometry/
2. In Octave:
   • pkg install path_to_file.tar.gz
   • pkg load geometry

t = linspace(0,2*pi,100)'; 
circsx = r.*cos(t) + x; 
circsy = r.*sin(t) + y; 
plot(circsx,circsy);