Centos7下安装numpy+matplotlib+scipy

摘自：http://litchiware.github.io/centos/2015/07/05/centos7%E4%B8%8B%E5%AE%89%E8%A3%85numpy+matplotlib+scipy/

1、安装numpy

安装numpy的依赖包

sudo yum install gcc-gfortran
sudo yum install blas-devel
sudo yum install lapack-devel
sudo yum install python-devel

安装numpy

sudo pip install numpy

2、安装matplotlib

安装matplotlib的依赖包

sudo yum install freetype-devel.x86_64
sudo yum install libpng-devel.x86_64

安装g++编译器并确保与gcc编译器版本一致

sudo yum install gcc-c++
gcc --version
g++ --version

若没有安装g++或者版本不一致时会报如下错误：

gcc: error trying to exec 'cc1plus': execvp: No such file or directory

安装matplotlib

sudo pip install matplotlib

3、安装scipy

sudo pip install scipy