Python installation-Python installation....

NumPy是Numarray的后继者，用来代替NumArray。SAGE是基于NumPy和其他几个工具所整合成的数学软件包，目标是取代Magma, Maple, Mathematica和Matlab 这类工具。-Numerical Python adds a fast and sophisticated array facility to the Python language. NumPy is the most recent and most actively supported packa