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List

Usage

  ,  , ...  是一个元素列表.


Notes

• Lists 是代表表达式集合的非常一般的对象。 • 有属性Listable的函数自动贯穿于列表,使得它们分别对每个列表元素作用。大多数内嵌数学函数都是 Listable.
 a, b, c 表示一个向量.
  a, b ,  c, d  表示一个矩阵.
• 嵌套列表可用于表示张量。 • 参见 Mathematica 全书: 1.2.3 and 节 1.8.
• 同时参见: Sequence.
Further Examples

A Mathematica list provides a way for you to group any kind of expressions.

Here is a list of numbers.

In[1]:=  

Out[1]=

This gives a list of symbolic expressions.

In[2]:=  

Out[2]=

You can differentiate these expressions.

In[3]:=  

Out[3]=

Or your can find their values when x is replaced with 3.

In[4]:=  

Out[4]=

Here are two ways to see the internal representation of a list.

In[5]:=  

Out[5]=

In[6]:=  

Out[6]//FullForm=



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