Model Mathematics

Component: environment

Component: A

dd time A = f ⁢ v ⁢ G k + G - sigma1 ⁢ R + b1 ⁢ A + muA ⁢ A

Component: R

ddtimeR= pi1 ⁢ E + beta ⁢ A - muR ⁢ R

Component: E

ddtimeE= lambdaE ⁢ A - muE ⁢ E

Component: G

ddtimeG= gamma ⁢ E - v ⁢ G k + G + muG ⁢ G