closed是函数，你先保证closed有结果

计算有非法数字，比如除数为0，或者均线长度不对

AverageFC-快速计算平均值  当序列值的CurrentBar小于Length时，该函数返回无效值；if条件句里控制

收到，谢谢老师

Params

Numeric Length1(55); //周期

Numeric Length2(134); //周期

Numeric Length3(120); //周期

Numeric n(2);

Vars

Series<Numeric> jiacha_s; //短周期

Series<Numeric> jiacha_l; //长周期

Series<Numeric> jiacha; //价差

Series<Numeric> st;     //标准差

Series<Numeric> pj;     //均值

Series<Numeric> zy;     //均值

Events

//Bar更新事件函数，参数indexs表示变化的数据源图层ID数组

OnBar(ArrayRef<Integer> indexs)

{

zy = (Data2.Close - Data2.CloseD)/Data2.CloseD;

jiacha = Data0.Close - (Data1.CloseD*zy+Data1.CloseD);

If(CurrentBar>Length1)//当序列值的CurrentBar小于Length时，该函数AverageFC返回无效值；

{

jiacha_s = AverageFC(jiacha,Length1);

Commentary(\"jiacha_s的值\"+Text(jiacha_s));

//PlotNumeric(\"jiacha_s\",jiacha_s);  这条语句输出会把图表压缩 自己测试下

}

Commentary(\"Data2.Close值\"+Text(Data2.Close));

Commentary(\"Data2.CloseD值\"+Text(Data2.CloseD));

Commentary(\"jiacha\"+Text(jiacha));

}

Params

Numeric Length1(55); //周期

Numeric Length2(134); //周期

Numeric Length3(120); //周期

Numeric n(2);

Vars

Series<Numeric> jiacha_s; //短周期

Series<Numeric> jiacha_l; //长周期

Series<Numeric> jiacha; //价差

Series<Numeric> st;     //标准差

Series<Numeric> pj;     //均值

Series<Numeric> zy;     //均值

Events

//Bar更新事件函数，参数indexs表示变化的数据源图层ID数组

OnBar(ArrayRef<Integer> indexs)

{

zy = (Data2.Close - Data2.CloseD)/Data2.CloseD;

jiacha = Data0.Close - (Data1.CloseD*zy+Data1.CloseD);

jiacha_s = AverageFC(jiacha,Length1);

jiacha_l = AverageFC(jiacha,Length2);

st = StandardDev(jiacha,Length3);

pj = AverageFC(jiacha,Length3);

PlotNumeric(\"jiacha_s\",pj - n*st);

PlotNumeric(\"jiacha_l\",pj + n*st);

PlotNumeric(\"jiacha\",jiacha);

PlotNumeric(\"jiacha\",jiacha);

PlotNumeric(\"jiacha\",jiacha_s);

If(Length1 > 0)

{

PlotNumeric(\"MA1\",AverageFC(jiacha,Length1));

}

If(Length2 > 0)

{

PlotNumeric(\"MA2\",AverageFC(jiacha,Length2));

}

}