lsma(1)

// LSMA.mq4
// Least Squares Moving Average
 
#property link "mandorr@gmail.com"
#property indicator_chart_window
#property indicator_buffers 1
#property indicator_color1 Red
 
extern int period=50;
extern int CountBars=10000;   // Êîëè÷åñòâî îòîáðàæàåìûõ áàðîâ
 
double buffer[];
 
void init()
   {
   SetIndexStyle(0,DRAW_LINE,0,2);
   SetIndexBuffer(0,buffer);
   SetIndexLabel(0,"Value");
   SetIndexDrawBegin(0,0);
   }
 
void start()
   {
   for (int i=0; i<=CountBars-1; i++)
      {
      buffer[i]=LSMA(period,i);
      }
   }
 
double LSMA(int ma_period,int shift)
   {
   double lengthvar;
   double tmp;
   double sum=0;
   for (int i=ma_period; i>=1; i--)
      {
      lengthvar=(ma_period+1)/3;
      tmp=(i-lengthvar)*Close[ma_period-i+shift];
      sum+=tmp;
      }
   double value=sum*6/(ma_period*(ma_period+1));
   return (value);
   }