编写要求：
请老师帮我把好公式中的出现紫色柱做个选股公式，谢谢！
源码：X5:=EXPMA(CLOSE,3);
X10:=EXPMA(CLOSE,7);
X20:=EXPMA(CLOSE,20);
五日斜率:=(X5-REF(X5,1))*100/REF(X5,1),LINETHICK2,COLORYELLOW;
十日斜率:=(X10-REF(X10,1))*100/REF(X10,1),LINETHICK2,COLORBLUE;
二十斜率:=(X20-REF(X20,1))*100/REF(X20,1),LINETHICK2,COLORWHITE;
XX5:=XMA(五日斜率,4),LINETHICK2,COLORYELLOW;
XX10:=XMA(十日斜率,7),LINETHICK2,COLORBLUE;
XX200:=XMA(二十斜率,20);
AA1:=XX200>=0.7 AND REF(XX200,1) XX10 AND XX10>XX200
AND REF(XX5,2)=0.7 AND REF(XX200,1) XX10 AND XX10>XX202
AND REF(XX5,2)=0.7 AND REF(XX200,1) XX10 AND XX10>XX204
AND REF(XX5,2)=0.7 AND REF(XX200,1) XX10 AND XX10>XX206
AND REF(XX5,2)=0.7 AND REF(XX207,1)=0.7 AND REF(XX2071,1)=0.7 AND REF(XX2072,1)=0.7 AND REF(XX208,1)=0.7 AND REF(XX2081,1)=0.7 AND REF(XX2082,1)
股票网解答：
X5:=EXPMA(CLOSE,3);
X10:=EXPMA(CLOSE,7);
X20:=EXPMA(CLOSE,20);
五日斜率:=(X5-REF(X5,1))*100/REF(X5,1),LINETHICK2,COLORYELLOW;
十日斜率:=(X10-REF(X10,1))*100/REF(X10,1),LINETHICK2,COLORBLUE;
二十斜率:=(X20-REF(X20,1))*100/REF(X20,1),LINETHICK2,COLORWHITE;
XX5:=XMA(五日斜率,4),LINETHICK2,COLORYELLOW;
XX10:=XMA(十日斜率,7),LINETHICK2,COLORBLUE;
XX200:=XMA(二十斜率,20);
AA1:=XX200>=0.7 AND REF(XX200,1)<XX200 AND XX5> XX10 AND XX10>XX200
AND REF(XX5,2)<REF(XX10,2) AND REF(XX10,2)< REF(XX200,2) ;
XX202:=XMA(二十斜率,22);
AA2:=XX202>=0.7 AND REF(XX200,1)<XX200 AND XX5> XX10 AND XX10>XX202
AND REF(XX5,2)<REF(XX10,2) AND REF(XX10,2)< REF(XX202,2) ;
XX204:=XMA(二十斜率,24);
AA3:=XX204>=0.7 AND REF(XX200,1)<XX200 AND XX5> XX10 AND XX10>XX204
AND REF(XX5,2)<REF(XX10,2) AND REF(XX10,2)< REF(XX204,2) ;
XX206:=XMA(二十斜率,26);
AA4:=XX206>=0.7 AND REF(XX200,1)<XX200 AND XX5> XX10 AND XX10>XX206
AND REF(XX5,2)<REF(XX10,2) AND REF(XX10,2)< REF(XX206,2) ;
XX207:=XMA(二十斜率,20);
AA7:=XX207>=0.7 AND REF(XX207,1)<XX207 AND CROSS(XX10,XX207)
AND CROSS(REF(XX5,1),REF(XX207,1));
XX2071:=XMA(二十斜率,23);
AA71:=XX2071>=0.7 AND REF(XX2071,1)<XX2071 AND CROSS(XX10,XX2071)
AND CROSS(REF(XX5,1),REF(XX2071,1));
XX2072:=XMA(二十斜率,26);
AA72:=XX2072>=0.7 AND REF(XX2072,1)<XX2072 AND CROSS(XX10,XX2072)
AND CROSS(REF(XX5,1),REF(XX2072,1));
XX208:=XMA(二十斜率,20);
AA8:=XX208>=0.7 AND REF(XX208,1)<XX208 AND CROSS(XX10,XX208)
AND CROSS(XX5,XX208);
XX2081:=XMA(二十斜率,23);
AA81:=XX2081>=0.7 AND REF(XX2081,1)<XX2081 AND CROSS(XX10,XX2081)
AND CROSS(XX5,XX2081);
XX2082:=XMA(二十斜率,26);
AA82:=XX2082>=0.7 AND REF(XX2082,1)<XX2082 AND CROSS(XX10,XX2082)
AND CROSS(XX5,XX2082);
(AA1 OR AA2 OR AA3 OR AA4 OR AA7 OR AA71 OR AA72 OR AA8 OR AA81
OR AA82)=1;
