请求高手帮忙编写个XMA函数

4132466

上轨XMA(XMA(HIGH,25),25)-XMA(XMA(LOW,25),25))*1+XMA(XMA(HIGH,25),25),COLORWHITE;
下轨:XMA(XMA(LOW,25),25)-(XMA(XMA(HIGH,25),25)-XMA(XMA(LOW,25),25))*1,COLORWHITE;
顶XMA(XMA(HIGH,60),60)-XMA(XMA(LOW,60),60))*2.2+XMA(XMA(HIGH,60),60),COLORRED;
底:XMA(XMA(LOW,60),60)-(XMA(XMA(HIGH,60),60)-XMA(XMA(LOW,60),60))*2.8,COLORGREEN;