INFLOWS:
J8_IN ¼ IF (I7+I8+I9+J7+J9)¼BIRTH_# AND J8¼0 THEN 1 ELSE IF (I7+I8+I9
+J7+J9)NEIGHBOR_MAX AND
J8¼1 THEN À1 ELSE 0
J9(t) ¼ J9(t À dt) + (J9_IN) * dt
INIT J9 ¼ 0
INFLOWS:
J9_IN ¼ IF (I10+I8+I9+J10+J8)¼BIRTH_# AND J9¼0 THEN 1 ELSE IF (I10+I8
+I9+J10+J8)
OR
(I10+I8+I9+J10+J8)>
NEIGHBOR_MAX AND J9¼1 THEN À1 ELSE 0
BIRTH_# ¼ 3 {NUMBER OF NEIGHBOR CELLS REQUIRED TO GIVE
BIRTH TO THE CELL}
EAT_LAG ¼ 3
NEIGHBOR_MAX ¼ 3 {Number of neighbor cells above which the cell dies from
crowding}
NEIGHBOR_MIN ¼ 2 {Minimum number of neighboring cells below which the
cell is no longer viable}
REPROD_PROB ¼ 1
References
1. Orgel LE (1994) The origin of life on the earth. Sci Am 271:77–83
2. Schro ¨dinger E (1944) What is life. Cambridge University Press, Cambridge
3. Von Neumann J (1966) Theory of self-reproducing automata. University of Illinois Press,
Chicago
4. Poundstone W (1985) The recursive universe. Contemporary Books, Chicago
5. Bak P, Chen K, Creutz M (1989) Self-organized criticality in the “game of life”. Nature
342:780–782
6. Ruth M, Pieper F (1994) Modeling spatial dynamics of sea level rise in a coastal area. Syst Dyn
Rev 10(4):375–389
7. Bak P, Chen K, Tang C (1990) A forest fire model and some thoughts on turbulence. Phys Lett
147(5–6):297–300
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43 Game of Life