bezier
//+------------------------------------------------------------------+
//| Bezier.mq4 |
//| Copyright ?2007, MetaQuotes Software Corp. |
//| http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright "Copyright ?2007, MetaQuotes Software Corp."
#property link "Lizhniyk E"
#property indicator_chart_window
#property indicator_buffers 1
#property indicator_color1 Aqua
//---- input parameters
extern int period=8;
extern double t=0.5;
extern int shift=0;
extern intPrice=0;
double Ext[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- indicators
SetIndexStyle(0,DRAW_LINE);
SetIndexBuffer(0,Ext);
SetIndexLabel(0,"Bezier("+period+","+t+")");
SetIndexShift(0,shift);
SetIndexDrawBegin(0,period);
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
//----
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int counted_bars=IndicatorCounted();
//----
for(int j=0;j<Bars-counted_bars;j++)
{
double r=0;
for(int i=period;i>=0;i--)
{
r+=pr(Price,j+i) *
(fact(period)/(fact(i)*fact(period-i))) *
MathPow(t,i) *
MathPow(1-t,period-i);
}
Ext=r;
}
//----
return(0);
}
//+------------------------------------------------------------------+
double fact(int value)
{
double res=1;
for(double j=2;j<value+1;j++)
{
res*=j;
}
return (res);
}
double pr(int Price,int n)
{
switch (Price)
{
case 0: {return(Close);break;}
case 1: {return(Open);break;}
case 2: {return(High);break;}
case 3: {return(Low);break;}
case 4: {return((High+Low)/2);break;}
case 5: {return((High+Low+Close)/3);break;}
case 6: {return((High+Low+Close+Close)/4);break;}
case 7: {return(iMA(Symbol(),0,4,0,0,0,n));break;}
}
}
LZ说的很不错 LZ真是人才 学习了,不错 学习了,不错 学习了,不错 {:1_181:}
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