>> rankjohnmary

rankm =

     3


rankjm =

     3


ans =

are the ranks the same?


a =

     1    -2    -1    -2     1     3     0
     0     2     4     0     4     2    -2
     0     2     4     0     4     2    -2
     0    -1     0     0    -2    -1     1
     0     4     8     0     8     4    -4


ans =

     3


a =

     1     0    -1    -2     5     5    -2
     0     0     4     0     0     0     0
     0     0     4     0     0     0     0
     0     1     0     0     2     1    -1
     0     0     8     0     0     0     0


ans =

     3


a =

     1     0     0    -2     5     5    -2
     0     0     1     0     0     0     0
     0     0     0     0     0     0     0
     0     1     0     0     2     1    -1
     0     0     0     0     0     0     0


ans =

     3

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