New in Wolfram Mathematica 6: Fully Automated Graph Layout  previous | next 
Large-Scale Graph Layout
Mathematica 6 lets you immediately lay out large-scale graphs derived from sparse matrices in engineering and other applications.
In[1]:=

Click for copyable input
GraphPlot[ExampleData[{"Matrix", "HB/Blckhole"}, "Matrix"], 

 VertexRenderingFunction -> None]
Out[1]=