B_erlang {queueing}

Returns the probability that all servers are busy

Description

Returns the probability that all servers are busy

Usage

  B_erlang(c=1, u=0)

Arguments

c

numbers of servers

u

lambda/mu, that is, ratio of rate of arrivals and rate of service

Details

Returns the probability that all servers are busy

References

[Sixto2004] Sixto Rios Insua, Alfonso Mateos Caballero, M Concepcion Bielza Lozoya, Antonio Jimenez Martin (2004).
Investigacion Operativa. Modelos deterministicos y estocasticos.
Editorial Centro de Estudios Ramon Areces.

[Jagerman1974] Jagerman, D. L. (1974).
Some properties of the Erlang loss function.
Bell System Tech. J. (53), 525-551

See Also

C_erlang

Examples

## two servers
B_erlang(2, 0.5/0.7)