6869707172737475767778
PSplot plot2=new PSplot(pg,325.,475.,325.,475.); plot2.clear(); plot2.setlimits(-1.2,1.2,-1.2,1.2); plot2.frame(); plot2.scales(1.,0.5,1.,0.5); plot2.lineplot(x2,y4); pg.close(); // pg.display();