AForge.Fuzzy.Database.GetVariable C# (CSharp) Method

        public LinguisticVariable GetVariable( string variableName )
        {
            return variables [variableName];
        }
    }

        /// <summary>
        /// Executes the fuzzy inference, obtaining the <see cref="FuzzyOutput"/> of the system for the required
        /// <see cref="LinguisticVariable"/>.
        /// </summary>
        ///
        /// <param name="variableName">Name of the <see cref="LinguisticVariable"/> to evaluate.</param>
        ///
        /// <returns>A <see cref="FuzzyOutput"/> containing the fuzzy output of the system for the
        /// <see cref="LinguisticVariable"/> specified in <paramref name="variableName"/>.</returns>
        ///
        /// <exception cref="KeyNotFoundException">The variable indicated was not found in the database.</exception>
        ///
        public FuzzyOutput ExecuteInference(string variableName)
        {
            // gets the variable
            LinguisticVariable lingVar = database.GetVariable(variableName);

            // object to store the fuzzy output
            FuzzyOutput fuzzyOutput = new FuzzyOutput(lingVar);

            // select only rules with the variable as output
            Rule[] rules = rulebase.GetRules( );
            foreach (Rule r in rules)
            {
                if (r.Output.Variable.Name == variableName)
                {
                    string labelName      = r.Output.Label.Name;
                    float  firingStrength = r.EvaluateFiringStrength( );
                    if (firingStrength > 0)
                    {
                        fuzzyOutput.AddOutput(labelName, firingStrength);
                    }
                }
            }

            // returns the fuzzy output obtained
            return(fuzzyOutput);
        }