[150] in Professors_Quote_Board
received on the net from another school
mar@ATHENA.MIT.EDU (mar@ATHENA.MIT.EDU)
Thu Nov 10 15:31:48 1988
"...
1
-------------------------------------------------------
X 1 1
C e - Y - - - ----------------------------------------
Y 2 X 1 1
C e - Y - - - -----------------------
Y 3 X 1 1
C e - Y - - - ------
Y . . .
(N + 1) X
N - ---------
==== /===\ 2
\ ! ! e
> ! ! --------------------------------
/ ! ! - K X - K X X
==== K = 1 (1 - e ) Y (e Y - C e )
N>=0
= ---------------------------------------------------- .
(N + 1) X
N - ---------
==== /===\ 2
X \ ! ! e
(C e - Y) > ! ! -----------------------------
/ ! ! - K X - K X
==== K = 1 (1 - e ) Y (e Y - C)
N>=0
Notice the nonobvious insensitivity of the rhs to reciprocating Y."