gnuplot:如何旋转标题

gnuplot: how do I rotate the title

我旋转绘图:

set xtic rotate
set y2tic rotate 
plot ... rotate

但是,标题在右侧保持垂直。如何旋转到顶部?

如果我正确理解问题,也许可以使用 set y2label 而不是 set title

set margins 8,8,4,4
set link x2

unset xtics
set xrange [-3:11]
set yrange [*:*] reverse
set yzeroaxis
set ytics rotate by -90
set x2tics -2,2,10
set x2tics rotate by -90  offset 0,1
unset key

set ylabel "I'm really the y label" offset 1,0 rotate by -90
set y2label "This is y2label turned sideways" offset 1,0 rotate by -90
set y2label font ",20"


plot [u=-10:10] '+' using (10.*sinc()):() with lines