summaryrefslogtreecommitdiff
path: root/fuzzylite/fl/defuzzifier/WeightedSum.h
diff options
context:
space:
mode:
Diffstat (limited to 'fuzzylite/fl/defuzzifier/WeightedSum.h')
-rw-r--r--fuzzylite/fl/defuzzifier/WeightedSum.h51
1 files changed, 36 insertions, 15 deletions
diff --git a/fuzzylite/fl/defuzzifier/WeightedSum.h b/fuzzylite/fl/defuzzifier/WeightedSum.h
index a754023..fb61ef3 100644
--- a/fuzzylite/fl/defuzzifier/WeightedSum.h
+++ b/fuzzylite/fl/defuzzifier/WeightedSum.h
@@ -1,25 +1,17 @@
/*
- Author: Juan Rada-Vilela, Ph.D.
- Copyright (C) 2010-2014 FuzzyLite Limited
- All rights reserved
+ fuzzylite (R), a fuzzy logic control library in C++.
+ Copyright (C) 2010-2017 FuzzyLite Limited. All rights reserved.
+ Author: Juan Rada-Vilela, Ph.D. <jcrada@fuzzylite.com>
This file is part of fuzzylite.
fuzzylite is free software: you can redistribute it and/or modify it under
- the terms of the GNU Lesser General Public License as published by the Free
- Software Foundation, either version 3 of the License, or (at your option)
- any later version.
+ the terms of the FuzzyLite License included with the software.
- fuzzylite is distributed in the hope that it will be useful, but WITHOUT
- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
- for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with fuzzylite. If not, see <http://www.gnu.org/licenses/>.
-
- fuzzyliteâ„¢ is a trademark of FuzzyLite Limited.
+ You should have received a copy of the FuzzyLite License along with
+ fuzzylite. If not, see <http://www.fuzzylite.com/license/>.
+ fuzzylite is a registered trademark of FuzzyLite Limited.
*/
#ifndef FL_WEIGHTEDSUM_H
@@ -30,6 +22,18 @@
namespace fl {
+ /**
+ The WeightedSum class is a WeightedDefuzzifier that computes the
+ weighted sum of a fuzzy set represented in an Aggregated Term.
+
+ @author Juan Rada-Vilela, Ph.D.
+ @see WeightedSumCustom
+ @see WeightedAverage
+ @see WeightedAverageCustom
+ @see WeightedDefuzzifier
+ @see Defuzzifier
+ @since 4.0
+ */
class FL_API WeightedSum : public WeightedDefuzzifier {
public:
explicit WeightedSum(Type type = Automatic);
@@ -38,6 +42,23 @@ namespace fl {
FL_DEFAULT_COPY_AND_MOVE(WeightedSum)
virtual std::string className() const FL_IOVERRIDE;
+
+ virtual Complexity complexity(const Term* term) const FL_IOVERRIDE;
+
+ /**
+ Computes the weighted sum of the given fuzzy set represented as an
+ Aggregated Term as @f$y = \sum_i{w_iz_i} @f$,
+ where @f$w_i@f$ is the activation degree of term @f$i@f$, and @f$z_i
+ = \mu_i(w_i) @f$.
+
+ From version 6.0, the implication and aggregation operators are not
+ utilized for defuzzification.
+
+ @param term is the fuzzy set represented as an AggregatedTerm
+ @param minimum is the minimum value of the range (only used for Tsukamoto)
+ @param maximum is the maximum value of the range (only used for Tsukamoto)
+ @return the weighted sum of the given fuzzy set
+ */
virtual scalar defuzzify(const Term* term,
scalar minimum, scalar maximum) const FL_IOVERRIDE;
virtual WeightedSum* clone() const FL_IOVERRIDE;