Detecting a transition from 1 to 0 on a matrix cell


    Mar 06 2009 | 3:33 pm
    How can I detect when a cell in a column that previously has a value of 1, has now got a value of 0?
    Thanks

    • Mar 06 2009 | 5:18 pm
      Maybe something like this?
      best, Zachary
    • Mar 06 2009 | 5:23 pm
      It seems the answer is in the question.
      A tiny modification in your patch :
      Regards
    • Mar 06 2009 | 8:55 pm
      Yes it turns out the answer was in the question after all! Silly me XD
      Thanks very much both of you.