Re: fuzzy finance


Subject: Re: fuzzy finance
From: Will Dwinnell (predictor@compuserve.com)
Date: Wed Mar 01 2000 - 12:27:21 MET


Paul Victor Birke wrote:
"There is a Fuzzy Price! The price quoted is only one of a possible number from a
small interval set. Usually a Uniform Distribution defined by {PriceLOW,
PriceHIGH} also there is another way
using a sort of Trapezoid FF with {PriceULTRALOW, PriceLOW, PriceMEAN,
PriceHIGH,PriceULTRAHIGH}. The Ultra values define the Trapezoid boundaries
having zero membership value. The Low and High define the limits of the
membership = 1 Uniform Distribution. The Mean may or may not be in the centre
between Low and High."

Is that a fuzzy price or a probabilistic one? It sounds like you are describing a
probability distribution.

Will Dwinnell
predictor@compuserve.com

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