MQL5 ReferenceStandard LibraryMathematicsFuzzy LogicMembership functionsCSigmoidalMembershipFunctionC ACGetValue C (Get method) Gets the membership function inflection coordinate parameter. double C() Return Value Membership function inflection coordinate. C (Set method) Sets the membership function inflection coordinate. void C( const double c // membership function inflection coordinate ) Parameters c [in] The membership function inflection coordinate. A GetValue