Python.Django视频讲座

Python.Django视频讲座

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Python.Django视频讲座八的笔记

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Arrays

are not a built-in python type.

included in Numeric, NumPy

from numpy import *

vec = array([1,2,3])

mat = array([[1,2,3],[4,5,6],[7,8,9]])

Lists & Arrays

The biggest difference arrays and lists is speed:it's much faster to carry out operatons on arrays than on each term in a given list.

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