[python] 安装numpy+scipy+matlotlib+scikit-learn及问题解决

这篇文章主要讲述Python如何安装Numpy、Scipy、Matlotlib、Scikit-learn等库的过程及遇到的问题解决方法。最近安装这个真是一把泪啊，各种不兼容问题和报错，希望文章对你有所帮助吧！你可能遇到的问题包括：
        ImportError: No module named sklearn 未安装sklearn包
        ImportError: DLL load failed: 找不到指定的模块
        ImportError: DLL load failed: The specified module could not be found
        Microsoft Visual C++ 9.0 is required Unable to find vcvarsall.bat
        Numpy Install RuntimeError: Broken toolchain: cannot link a simple C program
        ImportError: numpy.core.multiarray failed to import
        ImportError: cannot import name __check_build
        ImportError: No module named matplotlib.pyplot