Variation iteration method (VIM) for solving some models of nonlinear diffusion problems

In this work we will apply He's Variation iteration method (VIM) to investigate three physical models of nonlinear partial differential equations. These models describe the nonlinear diffusion equations in one dimension. Using this technique we obtain an exact on an approximate solution. The efficiency and the ability of the approach will be shown by applying the procedure on some examples. The computations associated with the examples in this paper were performed using Matlab 17.