Gompertz function | Gompertz growth curve

The function defined by y = a b^(q^x). It is used in actuarial science for specifying a simplified mortality law. Using s(x) as the probability that a newborn will achieve age x, the Gompertz law is s(x) = exp[-m(c^x - 1)], for c>1, x>=0.

law of growth | life expectancy | logistic map | Makeham curve | population growth