p: Population

Variable

Global

Population []

p  =  p + dt *( br  -  dr )
../_images/p.png

p in the updating graph: ( how to read )

In nodes

dt :

pi : population initial (people)

br : birth rate

dr : death rate

p : population

Out nodes

cig : capital-investment generation

cir : capital-investment ratio

cr : crowding ratio

nrur : natural-resource-usage rate

polg : pollution generation

br : birth rate

dr : death rate

p : population