Title Plot file (Fig 3a)
$
$ Plot figures 3b and 3c.
$
$options plotdev=stout
mesh inf=pn.msh
$
$ FIGURE 3b
$plot.1d inf=IV-nr.log x.ax=va1 y.ax=i1 log abs points
$plot.1d inf=IV-r.log  x.ax=va1 y.ax=i1 log abs points unch

$ FIGURE 3c
$plot.1d inf=IV-r.log  x.ax=va1 y.ax=v1 x.max=2.2 points min=0

end
