安装matplotlib需要很多依赖包，有个捷径自动安装。

1.yum search matplotlib

返回结果是：

[root@dn1 Desktop]# yum search matplotlib

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=========================== N/S matched: matplotlib ============================

python-matplotlib-doc.x86_64 : Documentation files for python-matplotlib

python-matplotlib-qt4.x86_64 : Qt4 backend for python-matplotlib

python-matplotlib-tk.x86_64 : Tk backend for python-matplotlib

python-matplotlib.x86_64 : Python 2D plotting library

2. 选择最下方的那个，安装。需要root权限的话，添加

sudo yum install python-matplotlib.x86_64

它会把一切依赖给你装上。