使用 gnuplot 畫實驗圖 …

1. 輸出 eps 檔

http://darksair.org/wiki/Gnuplot.html

2. 畫 histogram

http://gnuplot.sourceforge.net/demo/histograms.html

plot 'precision.txt' using 2:xtic(1) ti col, '' u 3 ti col, '' u 4 ti col, '' u 5 ti col, '' u 6 ti col, '' u 7 ti col, '' u 8 ti col

3. 設定 color

http://www.uni-hamburg.de/Wiss/FB/15/Sustainability/schneider/gnuplot/colors.htm

https://sites.google.com/a/kingofat.com/wiki/gnuplot-command