股友提问要求：
请老师将强弱势公式及趋势信号改为通达信公式
强弱势公式源码：
A1:=(EMA(((O+H+L+C)/4),3)+EMA(((O+H+L+C)/4),6)+EMA(((O+H+L+C)/4),9))/3;
A2:=(EMA(((O+H+L+C)/4),5)+EMA(((O+H+L+C)/4),10)+EMA(((O+H+L+C)/4),20))/3;
A3:=(EMA(((O+H+L+C)/4),7)+EMA(((O+H+L+C)/4),14)+EMA(((O+H+L+C)/4),28))/3;
A4:=(EMA(((O+H+L+C)/4),9)+EMA(((O+H+L+C)/4),18)+EMA(((O+H+L+C)/4),36))/3;
A5:=(EMA(((O+H+L+C)/4),11)+EMA(((O+H+L+C)/4),22)+EMA(((O+H+L+C)/4),44))/3;
A6:=(EMA(((O+H+L+C)/4),13)+EMA(((O+H+L+C)/4),26)+EMA(((O+H+L+C)/4),52))/3;
A7:=(EMA(((O+H+L+C)/4),21)+EMA(((O+H+L+C)/4),34)+EMA(((O+H+L+C)/4),68))/3;
b1:PARTLINE(A1>REF(A1,1),FORCAST(A1,6)),NOTDRAWTEXT,COLORRED,2;
b2:PARTLINE(A1REF(A2,1),FORCAST(A2,6)),NOTDRAWTEXT,COLORRED,2;
b4:PARTLINE(A2REF(A3,1),FORCAST(A3,6)),NOTDRAWTEXT,COLORRED,2;
b6:PARTLINE(A3REF(A4,1),FORCAST(A4,6)),NOTDRAWTEXT,COLORRED,2;
b8:PARTLINE(A4REF(A5,1),FORCAST(A5,6)),NOTDRAWTEXT,COLORRED,2;
b10:PARTLINE(A5REF(A6,1),FORCAST(A6,6)),NOTDRAWTEXT,COLORRED,2;
b12:PARTLINE(A6REF(A7,1),FORCAST(A7,6)),NOTDRAWTEXT,COLORRED,0,3;
b14:PARTLINE(A7=REF(towerc,1),towerc,directionmax,6,0),NOTDRAWTEXT,RGB(253,190,2);
d2:STICKLINE(towerc>=REF(towerc,1),towerc,directionmax,5,0),NOTDRAWTEXT,RGB(253,150,2);
d3:STICKLINE(towerc>=REF(towerc,1),towerc,directionmax,4,0),NOTDRAWTEXT,RGB(253,110,2);
d4:STICKLINE(towerc>=REF(towerc,1),towerc,directionmax,3,0),NOTDRAWTEXT,RGB(253,70,2);
d5:STICKLINE(towerc>=REF(towerc,1),towerc,directionmax,2,0),NOTDRAWTEXT,RGB(253,30,2);
d6:STICKLINE(towerc>=REF(towerc,1),towerc,directionmax,1,0),NOTDRAWTEXT,RGB(253,0,2);
d7:STICKLINE(towerc<REF(towerc,1),towerc,directionmax,6,0),NOTDRAWTEXT,RGB(0,136,0);
d8:STICKLINE(towerc<REF(towerc,1),towerc,directionmax,5,0),NOTDRAWTEXT,RGB(0,153,0);
d9:STICKLINE(towerc<REF(towerc,1),towerc,directionmax,4,0),NOTDRAWTEXT,RGB(0,170,0);
d10:STICKLINE(towerc<REF(towerc,1),towerc,directionmax,3,0),NOTDRAWTEXT,RGB(0,187,0);
d11:STICKLINE(towerc<REF(towerc,1),towerc,directionmax,2,0),NOTDRAWTEXT,RGB(0,204,0);
d12:STICKLINE(towerc<REF(towerc,1),towerc,directionmax,1,0),NOTDRAWTEXT,RGB(0,221,0);
趋势信号源码：
CC:=IF(WEEKDAY=4,C,1);
b1:=EMA(CLOSE,11);
b2:=EMA(CLOSE,21);
b3:=EMA(CLOSE,15);
a1:IF(Cc=1,REF(b1,BARSLAST(Cc1)),REF(b1,BARSLAST(Cc=1))),NOTDRAWTEXT,COLORRED,0,3;
a2:partline(Cc=1 and b1>=b2,REF(b3,BARSLAST(Cc1))),NOTDRAWTEXT,COLORRED,0,2;
a3:partline(cc1 and b1<b2,HHV(b2,30)),NOTDRAWTEXT,COLORYELLOW;
a4:DRAWICON(cc1 and b1<b2,HHV(b2,30),9),NOTDRAWTEXT;
171415.com解答：
a1:=(ema(((o+h+l+c)/4),3)+ema(((o+h+l+c)/4),6)+ema(((o+h+l+c)/4),9))/3;
a2:=(ema(((o+h+l+c)/4),5)+ema(((o+h+l+c)/4),10)+ema(((o+h+l+c)/4),20))/3;
a3:=(ema(((o+h+l+c)/4),7)+ema(((o+h+l+c)/4),14)+ema(((o+h+l+c)/4),28))/3;
a4:=(ema(((o+h+l+c)/4),9)+ema(((o+h+l+c)/4),18)+ema(((o+h+l+c)/4),36))/3;
a5:=(ema(((o+h+l+c)/4),11)+ema(((o+h+l+c)/4),22)+ema(((o+h+l+c)/4),44))/3;
a6:=(ema(((o+h+l+c)/4),13)+ema(((o+h+l+c)/4),26)+ema(((o+h+l+c)/4),52))/3;
a7:=(ema(((o+h+l+c)/4),21)+ema(((o+h+l+c)/4),34)+ema(((o+h+l+c)/4),68))/3;
b1:if(a1>ref(a1,1),forcast(a1,6),drawnull),colorred;
b2:if(a1<ref(a1,1),forcast(a1,6),drawnull),colorgreen;
b3:if(a2>ref(a2,1),forcast(a2,6),drawnull),colorred;
b4:if(a2<ref(a2,1),forcast(a2,6),drawnull),colorgreen;
b5:if(a3>ref(a3,1),forcast(a3,6),drawnull),colorred;
b6:if(a3<ref(a3,1),forcast(a3,6),drawnull),colorgreen;
b7:if(a4>ref(a4,1),forcast(a4,6),drawnull),colorred;
b8:if(a4<ref(a4,1),forcast(a4,6),drawnull),colorgreen;
b9:if(a5>ref(a5,1),forcast(a5,6),drawnull),colorred;
b10:if(a5<ref(a5,1),forcast(a5,6),drawnull),colorgreen;
b11:if(a6>ref(a6,1),forcast(a6,6),drawnull),colorred;
b12:if(a6<ref(a6,1),forcast(a6,6),drawnull),colorgreen;
b13:if(a7>ref(a7,1),forcast(a7,6),drawnull),colorred;
b14:if(a7<ref(a7,1),forcast(a7,6),drawnull),colorgreen;
towerc:=forcast(ema((3*c+2*o+h+l)/7,3),6);
directionmax:=max(ref(towerc,1),ref(towerc,1));
d1:stickline(towerc>=ref(towerc,1),towerc,directionmax,3,0),color02befd;
d2:stickline(towerc>=ref(towerc,1),towerc,directionmax,2.5,0),color0296fd;
d3:stickline(towerc>=ref(towerc,1),towerc,directionmax,2,0),color026efd;
d4:stickline(towerc>=ref(towerc,1),towerc,directionmax,1.5,0),color0246fd;
d5:stickline(towerc>=ref(towerc,1),towerc,directionmax,1,0),color021efd;
d6:stickline(towerc>=ref(towerc,1),towerc,directionmax,0.5,0),color0200fd;
d7:stickline(towerc<ref(towerc,1),towerc,directionmax,3,0),color008800;
d8:stickline(towerc<ref(towerc,1),towerc,directionmax,2.5,0),color009900;
d9:stickline(towerc<ref(towerc,1),towerc,directionmax,2,0),color00aa00;
d10:stickline(towerc<ref(towerc,1),towerc,directionmax,1.5,0),color00bb00;
d11:stickline(towerc<ref(towerc,1),towerc,directionmax,1,0),color00cc00;
d12:stickline(towerc<ref(towerc,1),towerc,directionmax,0.5,0),color00dd00;
===========================================================================
cc:=if(weekday=4,c,1);
b1:=ema(c,11);
b2:=ema(c,21);
b3:=ema(c,15);
a1:if(cc=1,ref(b1,barslast(cc!=1)),ref(b1,barslast(cc=1))),colorred;
a2:if(cc=1 and b1>=b2,ref(b3,barslast(cc!=1)),drawnull),colorred;
a3:if(cc!=1 and b1<b2,hhv(b2,30),drawnull),coloryellow;
a4:drawicon(cc!=1 and b1<b2,hhv(b2,30),9);
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