First, the data input file name is given, then we inform gnuplot what columns to plot.

首先，指定数据输入文件名，然后告诉gnuplot要绘制哪些列。

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See help using if you want to know the gory details of the differences between the usages plot 'file', plot 'file' using 1:2, and plot 'file' using ($1):($2)).

如果想了解用法plot'file' 、 plot 'file' using 1:2和 plot 'file'using ($1):($2)之间区别的详细信息，请参阅help using。

youdao

See help using if you want to know the gory details of the differences between the usages plot 'file', plot 'file' using 1:2, and plot 'file' using ($1):($2)).

如果想了解用法plot'file' 、 plot 'file' using 1:2和 plot 'file'using ($1):($2)之间区别的详细信息，请参阅help using。

youdao