Memoryless
A variable
is memoryless with respect to
if, for all
with
,
(1)
Equivalently,
(2)
(3)
The
Exponential Distribution
, which satisfies
(4)
(5)
and therefore
(6)
is the only memoryless random distribution.
See also
Exponential Distribution
© 1996-9
Eric W. Weisstein
1999-05-26