1. Numerical Python

1.1. 简介

提供对序列（主要是矩阵)的快速操作

>>> import Numeric as N

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

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

取出矩阵的几行或几列

-  ⇤ ← Revision 2 as of 2005-08-07 02:30:26 → 
  Size: 465
  Editor: flyaflya
  Comment:
+   ← Revision 6 as of 2006-05-16 14:23:39 → ⇥
  Size: 575
  Editor: ZhangYunfeng
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
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+## page was renamed from NumericalPython
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+Line 5:
-'''
含有章节索引的中文 文章模板
'''
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+Line 9:
-''简述''
== 章标题1 ==
+== 简介 ==
提供对序列（主要是矩阵)的快速操作
== 例子 ==
>>> import Numeric as N
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-=== 小节标题1 ===
{{{
#!python
Python code
}}}
+>>> a = [[0,0,1,1,0],[1,1,0,0,1],[0,0,1,0,1]]
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+Line 16:
-==== 次节标题1 ====
xxx
+>>> N.where(a, 100,99)
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+Line 18:
-== 章标题2 ==
+array([[ 99,  99, 100, 100,  99],
       [100, 100,  99,  99, 100],
       [ 99,  99, 100,  99, 100]])
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+Line 22:
-=== 小节标题2 ===
{{{
其它
代码引用
}}}

==== 次节标题2 ====
yyy
+== 函数 ==
=== take ===
取出矩阵的几行或几列