Basic Examples 
(3)
 

Compute chromatic numbers of simple graphs:
In[129]:=
[◼]
ChromaticNumber
[PetersenGraph[]]
Out[129]=
3
———
Compute chromatic numbers of graphs:
In[28]:=
[◼]
ChromaticNumber
/@
,
,

Out[28]=
{3,3,2}
———
Compute the vertex chromatic number of famous graphs:
In[365]:=
[◼]
ChromaticNumber
/@Table[GraphData[{"RookComplement",{n,n}}],{n,10}]
Out[365]=
{1,2,3,4,5,6,7,8,9,10}

Scope 
(2)
 


Applications 
(1)
 


Possible Issues 
(1)
 
