这是我的代码:
set title "courbe"
set xlabel "first"
set ylabel "second"
set y2label "third"
plot "File.txt" using 1:2 with linespoints tit 'first', "File.txt" using 1:3 with linespoints tit 'second', "File.txt" using 1:4 with points tit 'third'
拜托,第三把斧头上没有显示数字..你有什么想法吗?
谢谢你。