set the current axes entity
a=sca(a)
:a a handle, the handle on the Axes entity :
sca(a) is used to set the current Axes entity (see graphics_entities) to the one pointed to by the handle a. The drawing functions generaly use the current axes entity.
`clf`_()
a1=`newaxes`_();
a1.axes_bounds=[0,0,1.0,0.5];
t=0:0.1:20;
`plot`_(t,`acosh`_(t),'r')
a2=`newaxes`_();
a2.axes_bounds=[0,0.5,1.0,0.5];
x=0:0.1:4;
`plot`_(x,`sinh`_(x))
sca(a1); //make first axes current
`plot`_(t,`asinh`_(t),'g')
`legend`_(['acosh','asinh'])
sca(a2); //make second axes current
`legend`_('sinh')