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-rw-r--r--fuzzylite/fl/term/Gaussian.h74
1 files changed, 55 insertions, 19 deletions
diff --git a/fuzzylite/fl/term/Gaussian.h b/fuzzylite/fl/term/Gaussian.h
index a5b8055..9a7475d 100644
--- a/fuzzylite/fl/term/Gaussian.h
+++ b/fuzzylite/fl/term/Gaussian.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_GAUSSIAN_H
@@ -29,8 +21,19 @@
namespace fl {
+ /**
+ The Gaussian class is an extended Term that represents the %Gaussian
+ curve membership function.
+
+ @image html gaussian.svg
+
+ @author Juan Rada-Vilela, Ph.D.
+ @see Term
+ @see Variable
+ @since 4.0
+ */
class FL_API Gaussian : public Term {
- protected:
+ private:
scalar _mean;
scalar _standardDeviation;
@@ -43,21 +46,54 @@ namespace fl {
FL_DEFAULT_COPY_AND_MOVE(Gaussian)
virtual std::string className() const FL_IOVERRIDE;
+ /**
+ Returns the parameters of the term
+ @return `"mean standardDeviation [height]"`
+ */
virtual std::string parameters() const FL_IOVERRIDE;
+ /**
+ Configures the term with the parameters
+ @param parameters as `"mean standardDeviation [height]"`
+ */
virtual void configure(const std::string& parameters) FL_IOVERRIDE;
+ virtual Complexity complexity() const FL_IOVERRIDE;
+ /**
+ Computes the membership function evaluated at @f$x@f$
+ @param x
+ @return @f$ h \times \exp(-(x-\mu)^2/(2\sigma^2))@f$
+
+ where @f$h@f$ is the height of the Term,
+ @f$\mu@f$ is the mean of the Gaussian,
+ @f$\sigma@f$ is the standard deviation of the Gaussian
+ */
virtual scalar membership(scalar x) const FL_IOVERRIDE;
- virtual void setMean(scalar c);
+ /**
+ Sets the mean of the Gaussian curve
+ @param mean is the mean of the Gaussian curve
+ */
+ virtual void setMean(scalar mean);
+ /**
+ Gets the mean of the Gaussian curve
+ @return the mean of the Gaussian curve
+ */
virtual scalar getMean() const;
- virtual void setStandardDeviation(scalar sigma);
+ /**
+ Sets the standard deviation of the Gaussian curve
+ @param standardDeviation is the standard deviation of the Gaussian curve
+ */
+ virtual void setStandardDeviation(scalar standardDeviation);
+ /**
+ Gets the standard deviation of the Gaussian curve
+ @return the standard deviation of the Gaussian curve
+ */
virtual scalar getStandardDeviation() const;
virtual Gaussian* clone() const FL_IOVERRIDE;
static Term* constructor();
};
-
}
#endif /* FL_GAUSSIAN_H */