Differences between revisions 2 and 7 (spanning 5 versions)

1. Numeric

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 7 as of 2006-05-16 14:24:36 → ⇥
  Size: 543
  Editor: ZhangYunfeng
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 1:
+## page was renamed from NumericalPython
-Line 2:
+Line 3:
-##language:zh
+#language zh
-Line 4:
+Line 5:
-'''
含有章节索引的中文 文章模板
'''
-Line 8:
+Line 6:
-::-- flyaflya [[[DateTime(2005-08-07T02:30:26Z)]]]
-Line 10:
+Line 7:
-= Numerical Python =
''简述''
== 章标题1 ==
+= Numeric =
== 简介 ==
-Line 14:
+Line 10:
-=== 小节标题1 ===
{{{
#!python
Python code
}}}
+又称为NumericalPython
-Line 20:
+Line 12:
-==== 次节标题1 ====
xxx
+提供对序列（主要是矩阵)的快速操作
== 例子 ==
>>> import Numeric as N
-Line 23:
+Line 16:
-== 章标题2 ==
+>>> a = [[0,0,1,1,0],[1,1,0,0,1],[0,0,1,0,1]]
-Line 25:
+Line 18:
-=== 小节标题2 ===
{{{
其它
代码引用
}}}
+>>> N.where(a, 100,99)
-Line 31:
+Line 20:
-==== 次节标题2 ====
yyy
+array([[ 99,  99, 100, 100,  99],
       [100, 100,  99,  99, 100],
       [ 99,  99, 100,  99, 100]])

== 函数 ==
=== take ===
取出矩阵的几行或几列