[GRASS-user] Fuzzy logic in GRASS

Rich Shepard rshepard at appl-ecosys.com
Wed Mar 3 10:51:46 EST 2010

On Wed, 3 Mar 2010, Jaros?aw Jasiewicz wrote:

>>   Hedges come in a range of degrees of strength. 'Slightly' is a different
>> hedge from 'very', for example.

> This is not hedge, it is value which I replace 2 in formula sin^2 *x for 
> standard sigmoid boundary. If parameter  is 0 the exponent is 2 on the other 
> hand it changes the exponent to create more dilatation or more concentrate 
> boundaries. It is non-standard solution but is described in description

   Hedges concentrate (narrow) or dilute (widen) the universe of discourse of
the fuzzy set. sin^2 is a hedge, so is ^0.5.


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