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Ch 5 662 : Fuzzy Logic (Fuzziness (Deterministic uncertainty, Concerned…
Ch 5 662 : Fuzzy Logic
Fuzziness
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Blurred, fluffy, frayed or indistinct
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Fuzzy Set
A fuzzy set is a set with fuzzy boundaries, such as short, average, tall for height.
To represent a fuzzy set in a computer, we express it as a function and then map the elements of the set to their degree of membership
Hedges
Dilation
Dilates the fuzzy elements by increasing the membership values with small membership values more than elements with high membership values
Intensification
Intensifying the meaning of phrase by increasing the membership values above 0.5 and decreasing those below 0.5
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Operations
- Occur pada value x only, no need to disturb y
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Fuzzy Inference
Fuzzification
The crisp values input are assigned to the appropriate input fuzzy variables and converted to the degree of membership
Propagation
Fuzzy rule are applied to the fuzzy variables where degree of membership computed in the condition part are propagated to the fuzzy variables in the conclusion part
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Calculation
Hafal smua hedges bersama formula, cara nak AND, OR & NOT
-A little
-Slightly
-Very
-Extremely
-Very very
-More or less
-Somewhat
-Indeed
Hafal cmana nk baca graf, buat clipping, dan formula COG
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