data(Ec_core, envir = environment()) #get Escherichia coli core metabolic model
bac <- Bac(Ec_core,deathrate=0.05,
growthlimit=0.05,growtype="exponential") #initialize a bacterium
arena <- Arena(n=20,m=20) #initialize the environment
addOrg(arena,bac,amount=10) #add 10 organisms
neworgdat <- arena@orgdat #get the current orgdat
neworgdat <- neworgdat[-1,] #remove the first individual
changeOrg(arena,neworgdat)
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