ads one of our example graphs</span>
whos
</pre><pre class="codeoutput">  Name                    Size                  Bytes  Class      Attributes

  A                       9x9                     416  double     sparse    
  Acc                     5x5                     176  double     sparse    
  As                      1x1                40792464  struct               
  At                  50000x50000            20395704  double     sparse    
  D                       5x5                     200 