New Jacobian Elliptic Function Solutions of Modified KdVEquation: II

Recently, we obtained thirteen families of Jacobian elliptic function solutions of mKdV equation by using our extended Jacobian elliptic function expansion method. In this note, the mKdV equation is investigated and another three families of new doubly periodic solutions (Jacobian elliptic function solutions) are found againby using a new transformation, which and our extended Jacobian ellipticfunction expansion method form a new method still called theextended Jacobian elliptic function expansion method. The new method canbe more powerful to be applied to other nonlinear differential equations.