A3b

set terminal jpeg 

set parametric



x(u,v)=u*cosh(v)
y(u,v)=u*sinh(v)
z=0

set urange [1:2]
set vrange [log(0.5):log(2)]


set view 0,0,1.0,1.0
set xlabel 'x'
set ylabel 'y'

set output 'M30.jpeg'

splot x(u,v),y(u,v),z title'Gebiet B'

set output

unset parametric
reset