(self,x)
return int.quad(self.forward_recurrence_time_pdf, 0, 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 backward_recurrence_time_cdf(self,x):
        "the backwards recurrence time is the time since the last event after arriving to the system at a large future time"
        return int.quad(self.forward_recurrence_time_pdf, 0, x)
def backward_recurrence_time_cdf ( self , x ) : return int . quad ( self . forward_recurrence_time_pdf , 0 , x )