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Dimitri,
Would it be possible to work at this from a different way....something like:
Angle=Param("Angle",45,10,90,1);
Select an angle and then have the line drawn.
Anthony
----- Original Message -----
From: "DIMITRIS TSOKAKIS" <TSOKAKIS@xxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Sunday, January 25, 2004 5:59 AM
Subject: [amibroker] Re: Slope in radians? question for Math geniuses
> Suppose you START 50 bars before the last bar and the END is 20 bars
> ago.
> For any ARRAY, the angle is
>
> START=50;END=30;
> ARRAY=RSI();
> L1=LastValue(Cum(1));
> X0=L1-START;X1=L1-END;
> Y0=ARRAY[X0];Y1=ARRAY[X1];
> Plot(ARRAY,"",1,1);
> Plot(LineArray(X0,Y0,X1,Y1),"",4,1);
> Plot(LineArray(X0,Y0,X1,Y0),"",4,1);
> ANGLE=atan((Y1-Y0)/(X1-X0));
> Title="ANGLE="+WriteVal(ANGLE)+" RADS"+", ["+WriteVal(45*ANGLE/atan
> (1),1.0)+" DEGS]";
>
> Replace the ARRAY with yours and see the result in RADS [and DEGS].
> Note that the calculation does not match with the visual angle, which
> depends on the applied zoom and the dimensions of your graph.
> Dimitris Tsokakis
> --- In amibroker@xxxxxxxxxxxxxxx, "epintoem" <epintoem@xxxx> wrote:
> > Given two points.... how could I calculate the slope of the line
> > connecting those two points....We have an atan function but I have
> no
> > clue as to how to use it.
> >
> > Thanks for your help
>
>
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