(self,x)
return self.forward_recurrence_time_pdf(x)
the backwards recurrence time is the time since the last event after arriving to the system at a large future time
the backwards recurrence time is the time since the last event after arriving to the system at a large future time
the backwards recurrence time is the time since the last event after arriving to the system at a large future time
def backwards_recurrence_time_pdf(self,x):
        "the backwards recurrence time is the time since the last event after arriving to the system at a large future time"
        return self.forward_recurrence_time_pdf(x)
def backwards_recurrence_time_pdf ( self , x ) : return self . forward_recurrence_time_pdf ( x )