pwShowFigure(type, value)

 To display or hide figures for the dynamic variables X,
 the observables Y, the derived variables Z, the algebraic
 expressions A, or the driving input U.


Arguments for pwShowFigure

 type:  'x', 'y', 'z', or 'u'
 value: true or false



 This function is a shortcut for the configuration settings

  config = pwGetConfig;
  config.plotting.showX = true; % or false
  config.plotting.showY = true; % or false
  % etc.