text: 21. MATLAB, Inc. MATLAB, version: 9.13.0 (R2022b); MATLAB, Inc.: Natick, MA, USA, 2022. 
  22. Penny, W.D.; Friston, K.J.; Ashburner, J.T.; Kiebel, S.J.; Nichols, T.E. Statistical Parametric Mapping: The Analysis of Functional Brain 
  
  Images; Elsevier: Amsterdam, The Netherlands, 2011; Google-Books-ID: G_qdEsDlkp0C. 
  
  23. Heins, C.; Millidge, B.; Demekas, D.; Klein, B.; Friston, K.; Couzin, I.D.; Tschantz, A. pymdp: A Python library for active inference 
  
  in discrete state spaces. J. Open Source Softw.**2022**, 7, 4098. [CrossRef] 
  
  24. Rossum, G.v.; Drake, F.L. The Python Language Reference, Release 3.0.1 [repr.] ed.; Number Pt. 2 in Python Documentation Manual; 
  
  van Rossum, G., Drake, F.L., Eds.; Python Software Foundation: Hampton, NH, USA, 2010. 