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1.8.11 Ordering in Lists

Sort[list] sort the elements of list into order
Min[list] the smallest element in list
Ordering[list, n] the positions of the n smallest elements in list
Max[list] the largest element in list
Ordering[list, -n] the positions of the n largest elements in list
Ordering[list] the ordering of all elements in list
Permutations[list] all possible orderings of list

Ordering in lists.
Here is a list.

In[1]:=  t = {17, 21, 14, 9, 18}

Out[1]=

This gives the smallest element in the list.

In[2]:=  Min[t]

Out[2]=

This gives in order the positions of the 3 smallest elements.

In[3]:=  Ordering[t, 3]

Out[3]=

Here are the actual elements.

In[4]:=  t[[%]]

Out[4]=


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