Wolfram ResearchPRODUCTSPURCHASEFOR USERSCOMPANYOUR SITES
THIS IS DOCUMENTATION FOR AN OBSOLETE PRODUCT.
SEE THE DOCUMENTATION CENTER FOR THE LATEST INFORMATION.

Documentation / Mathematica / Built-in Functions / Lists and Matrices / Structure Manipulation /

Further Examples: Split

Here is a list.

In[1]:=

This splits mm into sublists consisting of runs of identical elements.

In[2]:=

Out[2]=

This treats two adjacent elements as identical whenever they are congruent modulo .

In[3]:=

Out[3]=

Here is another list.

In[4]:=

This sorts and partitions nn into sublists that are in the half-open intervals , , and so on.

In[5]:=

Out[5]=

This defines the function RunLengthEncode which gives a list of pairs. The pair {x, y} corresponds to a run of the element x of length y.

In[6]:=

In[7]:=

Out[7]=

This defines the function Classify which partitions the list s into a list of disjoint sublists such that the function f evaluates to a different constant on each sublist. In other words Classify returns the preimages of s under f.

In[8]:=

The default for f is the identity function.

In[9]:=

Out[9]=

Here is a nested list.

In[10]:=

This groups the elements of pp whose first and third elements are identical.

In[11]:=

In[12]:=

Out[12]=

In[13]:=



Any questions about topics on this page? Click here to get an individual response.Buy NowMore Information


 © 2009 Wolfram Research, Inc.  Terms of Use  Privacy Policy | [ja] |
Sign up for our newsletter: