机器学习计算工具下载地址 Matplotlib is a 2D plotting library Requires numpy, dateutil, pytz, pyparsing, six, and optionally pillow, pycairo, tornado, wxpython, pyside or pyqt. http://www.lfd.uci.edu/~gohlke/pythonlibs/#matplotlib numpy example list地址 http://infosec.pku.edu.cn/~dulz/doc/Numpy_Example_List.htm#head-6d83004d107fd6b31ab2341620223457c69e0378