MQL5: [2] Indicador de Médias Móveis

for(int i=3; i<rates_total; i++)
  {
   ABuffer[i]=close[i];
   BBuffer[i]=(close[i]+close[i-1])/2;
   CBuffer[i]=(close[i]+close[i-1]+close[i-2])/3;
   DBuffer[i]=(close[i]+close[i-1]+close[i-2]+close[i-3])/4;
  }

#property indicator_chart_window
#property indicator_buffers 4
#property indicator_plots   4

#property indicator_label1  "A"
#property indicator_type1   DRAW_LINE
#property indicator_color1  clrRed
#property indicator_style1  STYLE_SOLID
#property indicator_width1  1

#property indicator_label2  "B"
#property indicator_type2   DRAW_LINE
#property indicator_color2  clrYellow
#property indicator_style2  STYLE_SOLID
#property indicator_width2  1

#property indicator_label3  "C"
#property indicator_type3   DRAW_LINE
#property indicator_color3  clrLimeGreen
#property indicator_style3  STYLE_SOLID
#property indicator_width3  1

#property indicator_label4  "D"
#property indicator_type4   DRAW_LINE
#property indicator_color4  clrBlue
#property indicator_style4  STYLE_SOLID
#property indicator_width4  1

double         ABuffer[];
double         BBuffer[];
double         CBuffer[];
double         DBuffer[];

int OnInit()
  {
   SetIndexBuffer(0,ABuffer,INDICATOR_DATA);
   SetIndexBuffer(1,BBuffer,INDICATOR_DATA);
   SetIndexBuffer(2,CBuffer,INDICATOR_DATA);
   SetIndexBuffer(3,DBuffer,INDICATOR_DATA);
   
   return(INIT_SUCCEEDED);
  }

int OnCalculate(const int rates_total,
                const int prev_calculated,
                const datetime &time[],
                const double &open[],
                const double &high[],
                const double &low[],
                const double &close[],
                const long &tick_volume[],
                const long &volume[],
                const int &spread[])
  {

   for(int i=3; i<rates_total; i++)
     {
      ABuffer[i]=close[i];
      BBuffer[i]=(close[i]+close[i-1])/2;
      CBuffer[i]=(close[i]+close[i-1]+close[i-2])/3;
      DBuffer[i]=(close[i]+close[i-1]+close[i-2]+close[i-3])/4;
     }

   return(rates_total);
  }