The code for the book:
Handbook for the Brain Dynamics Toolbox: Version 2018a by Stewart Heitmann, Michael Breakspear http://www.bdtoolbox.org/ Requires MATLAB and is documented and available for download from the above link Usage:cd bdtoolkit-2018a/ addpath(pwd) cd models/ addpath(pwd) savepath load HindmarshRose.mat sys bdGUI(sys);That should create a window which you can select Phase - > Portrait -> 3D to generate this image similar to one of the plots in Fig 1.1 in the first chapter: