Figure 1From: Modified generalized projective synchronization of fractional-order chaotic Lü systems Phase portraits in the x - z plane of integer-order hyperchaotic real system ( 2.10 ) for a=70 , b=15 , c=12 , d=5 : (a) x=1 , y=2 , z=3 , w=4 ; (b) x=5 , y=3 , z=5 , w=1 . Back to article page