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::-- flyaflya [[[DateTime(2005-08-07T02:30:26Z)]]]
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= Numerical Python =		 <<TableOfContents>>
= Numeric =
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Numeric又称为NumericalPython。Numeric已经不再继续开发(2005-11)，NumPy是其下一代继承者。

Contents

  1. Numeric
    1. 简介
    2. 例子
    3. 函数
      1. take

1. Numeric

1.1. 简介

Numeric又称为NumericalPython。Numeric已经不再继续开发(2005-11)，NumPy是其下一代继承者。

提供对序列（主要是矩阵)的快速操作

1.2. 例子

>>> import Numeric as N

>>> a = 0,0,1,1,0],[1,1,0,0,1],[0,0,1,0,1

>>> N.where(a, 100,99)

array([[ 99, 99, 100, 100, 99],

  • [100, 100, 99, 99, 100], [ 99, 99, 100, 99, 100]])

1.3. 函数

1.3.1. take

取出矩阵的几行或几列

Numeric (last edited 2009-12-25 07:14:33 by localhost)