[amibroker] Fw: Graphs

["Dimitris Tsokakis" <TSOKAKIS@xxxxxxxxx>]

Ooops, the attachement is lost !!
----- Original Message ----- 
From: <A 
href="" title=tsokakis@xxxxxxxxx>Dimitris Tsokakis 

To: <A href="" 
title=amibroker@xxxxxxxxxxxxxxx>amibroker@xxxxxxxxxxxxxxx 
Sent: Thursday, July 31, 2003 12:36 PM
Subject: Graphs

I noticed some strange effect moving the graphs one bar 
forward.
The red curve is not the same, especially on the left side of 
the graph.
Do we have here an undesirable resonance effect ?
How could I avoid this ?
Dimitris Tsokakis
 
I used the following code to compare EMA with its 
"Echo"
 
n=20<FONT 
face="Times New Roman">;
output1[ 0 ] = Close[ 
0 ];output1[ <FONT 
size=2>1 ] = Close[ <FONT 
size=2>1 
];
output2[ 0 ] = Close[ 
0 ];output2[ <FONT 
size=2>1 ] = Close[ <FONT 
size=2>1 
];
f = 2/(n+<FONT 
size=2>1<FONT 
face="Times New Roman">);<FONT 
face="Times New Roman">
for( i = 2<FONT 
face=Verdana size=2>; i < BarCount; i++ 
)
{
output1[ i ] = f * Close[ i ] + (1<FONT 
size=2> - f) * output1[ i - 1<FONT 
face=Verdana size=2> ];<FONT 
face="Times New Roman">
output2[ i ] = f * Close[ i ] + (1<FONT 
size=2> - f) * output2[ i - 2<FONT 
face=Verdana size=2> ];
}<FONT face=Verdana 
size=2>
Plot(Output1,"EMA"<FONT 
size=2>,1,<FONT 
size=2>1<FONT 
face="Times New Roman">);<FONT 
face="Times New Roman">
Plot(Output2,"ECHO 
EMA",4,<FONT 
size=2>1<FONT 
face="Times New Roman">);
 






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