需要预先安装几个库：
1 sudo apt-get install build-essential gfortran libatlas-base-dev python-pip python-dev
另外numpy, scipy在virtualenv中安装时总是出错，官方推荐的安装方法为
1 sudo apt-get install python-numpy python-scipy python-matplotlib ipython ipython-notebook python-pandas python-sympy python-nose
原文：http://www.cnblogs.com/noway-neway/p/5303035.html