For pedagogic / scientific diffusion purposes.
F5 to run and create the animation file named 'Kerr_black_hole_animation.gif' that will appear in the same directory as you registered this .m file.
Surface is a catenoid.
The trajectory of an object taken by the black hole while the rotation increased is drawn in red.
Please rate if it helped you. Thanks.
Nicolas Douillet (2020). Kerr black hole animation (https://www.mathworks.com/matlabcentral/fileexchange/73925-kerr-black-hole-animation), MATLAB Central File Exchange. Retrieved .
Some code cleaning