The gnuplot_i interface library enables developers to create gnuplots directly from their C programs. The program works by creating a UNIX pipe through which gnuplot commands are sent and then ...

之前讲了如何用 gnuplot 进行数据绘图。实验中经常碰到的情况是，我们要同时处理多组数据。这一次我们来讲一讲，怎样把多组数据绘制到同一个图上。 还拿城市降水量举例，下面是我们的数据文件，文件名是“precipitation.dat”： 我们在 gnuplot 里面执行下面的 ...

The make test test step is fairly trivial. When run in that way, the test only checks to see that the module loads and that the introspection functions work. Proper testing that all the palettes are ...

In these columns, I have covered several different scientific packages for doing calculations in many different areas of research. I also have looked at various ...