### RSI Trendline

 RSI Trendline

```//------------------------------------------------------------------------------
//www.aflcode.com

/*RSI Trendlines and Wedges*/
G=0;// set G=1, 2, 3, ... to see previous Resistance trendlines
GG=0;// set G=1, 2, 3, ... to see previous Support trendlines
x = Cum(1);
per = 1;// sensitivity calibration
s1=RSI();s11=RSI();
Plot(RSI(),"RSI",2,8);
pS = TroughBars( s1, per, 1 ) == 0;
endt= LastValue(ValueWhen( pS, x, 1+GG ));
startt=LastValue(ValueWhen( pS, x, 2+GG ));
dtS =endt-startt;
endS = LastValue(ValueWhen( pS, s1, 1+GG ) );
startS = LastValue( ValueWhen( pS, s1, 2+GG  ));
aS = (endS-startS)/dtS;
bS = endS;
trendlineS = aS * ( x  -endt ) + bS;// the Support trendline equation
Plot(IIf(x>startt-6 AND TRENDLINES>0 AND TRENDLINES<100,trendlineS,-1e10),"Support",IIf(as>0,5,4),8);
pR = PeakBars( s11, per, 1 ) == 0;
endt1= LastValue(ValueWhen( pR, x, 1+G ));
startt1=LastValue(ValueWhen( pR, x, 2+G ));
dtR =endt1-startt1;
endR = LastValue(ValueWhen( pR, s11, 1+G ) );
startR = LastValue( ValueWhen( pR, s11, 2 +G ));
aR = (endR-startR)/dtR;
bR = endR;
trendlineR = aR * ( x  -endt1 ) + bR;// the Resistance trendline equation
Plot(IIf(x>startT1-6  AND TRENDLINER>0 AND TRENDLINER<100,trendlineR,-1e10),"Resistance",IIf(Ar>0,5,4),8);
Ascwedge=Ar>0.5  AND As>sqrt(2)*Ar AND trendlineR>trendlineS;
Descwedge= As<-0.5 AND As>Ar/sqrt(2) AND trendlineR>trendlineS;
Filter=1;