I. The function of Henon with different initialisation.

    Here are presented some figures with different cases of initialisation of the Henon's function. The modified parameters are a, b, n, x(0)
and y(0) in the program1. On each frame, the values of parameters are specified.
 
 
 

                    `                                     fig 2 :  "jolie spirale "  + zoom (fig 2.1)                                                                                                                     fig 2.1 : zoom on [x,y]=[-0.1 , 0.1]
 

                                                    fig 3 : "Spirale a poles"  + zoom (fig 3.1)                                                                                                                                    fig 3.1 : zoom on [x,y]=[0 , -0.5]
 
 

                                                           fig 4 : " Two attractors "                                                                                                                                                            fig 5 : " Berlingot "
 
 
 

                                                 fig 5 : "Comete"                                                                                                                                                                          fig 6 : "Courbe fermee"
 
 
 

                                                               fig 7 : "Courbe fermee "                                                                                                                                                            fig 8 : "Autre etrange"
 
 

                                                        fig 8 : "Jolie spirale" + zoom (fig 8.1)                                                                                                                                    fig 8.1 : zoom on [x,y] = [0.6 , -0.6]