一个更精度的平滑涵数, 可用于股票交易系统.用于Amibroker 平台

				//------------------------------------------------------------------------------
				//
				//  Formula Name:    Derivative Oscillator
				//  Author/Uploader: Dan 
				//  E-mail:          
				//  Date/Time Added: 2003-03-15 12:22:53
				//  Origin:          
				//  Keywords:        
				//  Level:           basic
				//  Flags:           indicator
				//  Formula URL:     http://www.amibroker.com/library/formula.php?id=263
				//  Details URL:     http://www.amibroker.com/library/detail.php?id=263
				//
				//------------------------------------------------------------------------------
				//
				//  Derivative Oscillator as mentioned in Constance Brown's book Technical
				//  Analysys for Trading Professional.
				//
				//------------------------------------------------------------------------------
				
				/* CBDerivative */
				/* Set Scaling to Automatic, Show dates On, Percent On, Middle On */
				
				Graph0= (EMA(EMA(RSI(14),5),3))-(MA(EMA(EMA(RSI(14),5),3),9));
				
				Graph0Style = 2; 
				Graph0Color = 4;