qfigure('qselect_one');

qplot(0:.1:2*pi, sin(0:.1:2*pi));

qfigure('qselect_two');

qplot(0:.1:2*pi, cos(0:.1:2*pi));

qselect('qselect_one')

qplot(0:.1:2*pi, -sin(0:.1:2*pi));