【Machine Learning 学习笔记】OSX Octave 输出图像问题

1. Uninstall any existing gnuplot on your OSX

   brew uninstall gnuplot

2. Install gnuplot with either X or X11

   brew-install gnuplot --with-x11

3. Finally, set the GNUTERM to X11

   setenv("GNUTERM","X11")

或者 brew install gnuplot --with-qt

       setenv("GNUTERM","qt")