update

  update method for jpeth objects

  Example:
  update(obj)

  updates the plot of a jpeth object using the current settings in 
  the same figure or uipanel as the latest call to plot.
  If plot has not been called yet, update will emulate the initial call

  See also jpeth

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  Author: Malcolm Lidierth 02/09
  Copyright © The Author & King's College London 2009-
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