Re: Ta'i Ta(.ng hoa

[Tuan V Nguyen <t.nguyen@garvan.unsw.edu.au>]

Cha`o ca'c ba'c,

At 03:33 AM 7/2/97 -0500, you wrote:
>Hello a. Tua^'n (NSW) va` a. A'i Vie^.t (US):

>Generally em ddo^`ng y' beauty it is simply average, nhu+ng
>em muo^'n bo^? xung (theo ngo^n ngu+~ cu?a control) ra(`ng it is time varying
>(chu+' kho^ng pha?i time invariant). Co' le~ ta ne^n vie^'t joint paper ve^`
>va^'n dde^` na`y. 

        Ca'i na`y time-dependent characteristic na`y ddu'ng qua' chu+'.
Paper ve^` li~nh vu+.c na`y cu~ng interesting, nhu+ng tru+o+'c he^'t cha('c
pha?i define va` measure ca'i endpoint (beauty) va` sau ddo' se~ ti'nh xem
no' vary vo+'i time nhu+ the^' na`o? Co' the^? la` negative exponential
function hay piece-wise function kho^ng chu+`ng :)


>Nha^n tie^.n, xin no'i nhu+~ng ngu+o+`i dda`n o^. ddu+'ng
>dda('n nghi~ ve^` beauty cu?a phu. nu+~ nhu+ sau: phu. nu+~ ai cu~ng dde.p ca?,
>ngu+o+`i dde.p nhie^`u, ngu+o+`i dde.p i't hoa(.c cu`ng la('m la` lu+o+.ng
>dde.p kho^ng dda'ng ke^?.

        Absolutely agreed, phu. nu+~ ai cu~ng dde.p ca?. Cha(?ng co' ho.
thi` xa~ ho^.i na`y buo^`n cha'n che^'t ddi ddu+o+.c va` cuo^.c ddo+`i se~
he^'t ne^n hu+o+ng ne^n sa('c. 

        Tha^.t ra ho. ra^'t kho' hie^?u vi` ho. cu+' thay ddo^?i ... theo
time. Nhie^`u khi de^~ thu+o+ng la`m cho ca'c anh che^'t ddu+o+.c, nhu+ng
cu~ng nhie^`u khi "kho' u+a" la`m cho ca'c anh ddie^n dda^`u. Hi`nh nhu+ De
Lambert co' no'i la` "ngu+o+`i dda`n ba` la` mo^.t sinh va^.t kho^ng ai
ddi.nh nghi~a  ddu+o+.c." Ne^'u ai ma` ho?i mo^.t co^ ga'i "em bie^'t ye^u
chu+a?" ca^u tra? lo+`i se~ la` ra^'t predictable: "Da., em ho^?ng bie^'t
dda^u, em ho^?ng thi'ch, em o+? va^.y nuo^i me tho^i ..." :) Nhu+ng thu+.c
su+., co^ a^'y "YE^U" que^n ca? ddu+o+`ng ve^`.

        Co' pha?i the^' kho^ng ca'c ba'c?


        Tua^'n