This paper gives formulation of the problem in determining an employee bus route using integer linear programming. Each bus route begins and ends in one place (depot) to pick some postal employees. Each post will be visited ...

Human life is closely linked with economic problems faced throughout his life. The financial management activities are consumption and investment of the wealth. The problem is how to optimize the allocation of wealth to ...

Phenomenon of prey predator is a natural phenomenon which is intended to study the impact of the natural balance caused by two interacting species. Therefore, mathematical models were developed to describe the dynamics of ...

Life cycle of an orgainism can be formed into Letkovitch matrix, with is enstries consist of probability of survival probability of growth to the next stage and fecundity.

The Population growth can be determined using birth and death rates and also the factor of migration. Both birth and death proceses are considered within Poisson process. An increase of population level would decrease the ...

Malaria is a disease that transmitted to human by the bitting of infectious Anopheles mosquitoes. This infectious desease caused by parasite genus Plasmodium. There are two species of the parasites studied here, that cause ...

Risk is defined as a danger, an harm, or the beginning of misfortune. Market risk is a risk caused by the behaviour of market when the company can not control the risks. Although the company can not control those risks, ...

This paper studies the economic growth model by Moav (2002). Moav model shows the existence of unequal income distribution between low-income with high-income community. That kind of unequal income distribution is caused ...