怎樣編寫MACD底背離和頂背離函數(shù)

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DIFF:EMA(CLOSE,SHORT) - EMA(CLOSE,LONG);?

DEA:EMA(DIFF,M);?

MACD:2*(DIFF-DEA), COLORSTICK;?

底背離:LLV(L,N)=L AND NOT(LLV(MACD,N)=MACD),COLORFF00FF;?

頂背離:HHV(H,N)=H AND NOT(HHV(MACD,N)=MACD),COLORFFFFFF;