A COMPARISON BETWEEN THE SIMPLEST EQUATION METHOD, TANH METHOD AND (G′ G )-EXPANSION METHOD

In this paper we verify the relations between the tanh Method ,(G′ G )-Expansion Method and Simplest equation method. We demonstrate that we can convert these methods sometimes. It has shown, if we use the Riccati or Bernoulli equations as a simplest equation in Simplest equation method then this method is equivalent with the Tanh-method. Also we prove that the (G′ G )- expansion Method is a special case of the Simplest equation method when we use the Riccati equation as a simplest equation in this method.