Balanced matrix: Difference between revisions

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==Subsequence count==
{{citation needed}}An alternative method of identifying a balanced matrix that is also a zero-one matrix is through the subsequence count, where the subsequence count ''SC'' of any row s of matrix ''A'' is
 
:'''SC''' = |{''t'' | [''a''<sub>''sj''</sub>&nbsp;=&nbsp;1, ''a''<sub>''ij''</sub>&nbsp;=&nbsp;0 for ''s''&nbsp;<&nbsp;''i''&nbsp;<&nbsp;''t'', ''a''<sub>''tj''</sub>&nbsp;=&nbsp;1], ''j''&nbsp;=&nbsp;1,&nbsp;...,&nbsp;''n''}|