MQL5 ReferenceStandard LibraryMathematicsFuzzy LogicMembership functionsCDifferencTwoSigmoidalMembershipFunctionA2 A1A2C1C2GetValue A2 (Get method) Gets the second membership function slope ratio. double A2() Return Value Slope ratio value. A2 (Set method) Sets the second membership function slope ratio. void A2( const double a2 // slope ratio value ) Parameters a2 [in] Slope ratio value. A1 C1