It is also possible to make multiple plotting in the same graphic window (Figure 5.12).
xinit('d7-8.ps');
t=(0:.05:1)';st=sin(2*%pi*t);
xsetech([0,0,1,0.5]);
plot2d2("onn",t,st);
xsetech([0,0.5,1,0.5]);
plot2d3("onn",t,st);
xsetech([0,0,1,1]);