Convergence of the Variational Iteration Method for Solving a First-Order Linear System of PDEs with Constant Coeffcients

Momtri Torvattanabun, Sanoe Koonprasert

Abstract

In this paper, we derive the distribution of a desease-model which is not possible to have backward transitons. The distribution is the sums of gamma distributions. In special cases, the results reduce to some AIDS medels and uniform forward model.