Model matematika SIR penyakit kolera yang dikembangkan oleh Liao & Wang (2011) dengan populasi bakteri terbagi dua yaitu bakteri yang sangat berbahaya (hyper infectious) dan bakteri yang kurang berbahaya (less infectious). ...

Guinness Book of Records in 1989 as indicated in the Antara News article (2013) showed that Bogor is one of the areas with the highest potential for lightning in the world. However, the recording devices that count frequency ...

Goods and service distributions are essential in a company or institution. The optimization of goods distribution problems can be solved mathematically by using TSP formulation. This paper discusses one of TSP variations. ...

An exchange rate of Rupiah to American Dollar has become one of important reference for Indonesian economic movement. The movement of the exchange rate of Rupiah is an event that can occur anytime in a long period and ...

Sejak reformasi ekonomi di Tiongkok dan penerapan kebijakan perdagangan bebas, perdagangan luar negeri dan pertumbuhan ekonomi Tiongkok telah mengalami perkembangan yang pesat. Hubungan antara perdagangan luar negeri ...

Sudoku can be viewed as a puzzle in mathematics. Players must fill in a n2 × n2 matrix which is containing some given enteries, so that each row, column, and n × n mini grid contains each integer 1 through n2. The objectives ...

This manuscript describes a single-species population model in a polluted environment. This model describes the stability of a single-species population behavior which is affected by the pollution effect. The focus of ...

In the classical risk model, insurance company profit is affected by three factors i.e., the amount of the initial profit, the amount of revenue (premium) obtained, and the amount of the claims insurance company paid for ...

This paper studied a mathematical model of fishery resource dynamics in an aquatic area. The considered area consists of two zones: reserve and unreserve zones, where growth of fish population on each zone is given by a ...

One of business cycle models in dynamical economics is the IS-LM business cycle model with time delay, where the time delay lies in stock capital variables. It is a time delay between the existence of stock capital and the ...