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[amibroker] Re: Amibroker Code for MAMA adaptive moving average



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Rakesh,
Thank you very much for your reply. I got the required dll and 
completed afl. its shows the chart as it would be.
But there is a problem,
I have added some extra code in it to get buy signal and sell signal 
on the chart itself and its working fine but problem starts when I 
start scanning of my NSE stock database it gives error like this
=====================================================================
AmiBroker version 5.00.1.4750
 ( cooltool.dll 5.0.1,  mfc42.dll 6.2.4131,  msvcrt.dll 7.0.2600 )

Microsoft Windows XP version 5.1 (Build 2600)
Service Pack 2.0
Common Controls: 6.0

Unhandled exception
Type:	CSysException
Code:	c0000005
Description:	ACCESS VIOLATION
Address:	00E94079


FAMA = 0.5 * Alpha * MAMA; 
FAMA = 0.5 * Alpha * MAMA + (1 - 0.5 * Alpha) * Ref(FAMA,-1); 
 
Plot(C,"Price",IIf(sbMAMA(C,0.5,0
--------------------------------^

Error 47.
Exception occurred during AFL formula execution at address: E94079, 
code: C0000005
AFL Parser status:
Processing stage: EXECUTE
Formula ID: 0 ()
Action 3 (SCAN)

Additional information:

Number of stock loaded: 7093
Currently selected stock: 500211
Number of quotes (current stock): 3798

Workspace:
Data source = (local), Data local mode = 1, NumBars = 1000

Preferences:
Data source = (local), Data local mode = 1, NumBars = 1000

Command history:
2828 - Shows Analyser - a tool to test systems & explore market--
Auto-Analyser
3236 - Save all modified files--Save All
2986 - Draw ray (righ extended line)--Ray
2986 - Draw ray (righ extended line)--Ray
68424 - 
3236 - Save all modified files--Save All
2831 - Import ASCII file using predefined formats--ASCII import
68424 - 
68424 - 
68424 - 
68424 - 
68424 - 
68424 - 
68424 - 
2946 - Edit formula of custom indicator
3236 - Save all modified files--Save All

Cache manager stats:
Number of list elements: 1747
Number of map elements: 1747
Hash table size: 5987

Memory status:
  MemoryLoad: 45 %
  TotalPhys:      1037412K  AvailPhys:       562880K
  TotalPageFile:  2498456K  AvailPageFile:  2160972K
  TotalVirtual:   2097024K  AvailVirtual:   1880308K

Last Windows message:
HWnd:	0xa0186
Msg:	0x0110
wParam:	0x000c017c
lParam:	0x00000000
=====================================================================

Probably memory problem.(as during scanning every time the afl has 
to reference the dll file within a very short time span)though I 
have 1GB memory with Intel core2duo processor.
Please put some light on it.
Thanx in advance
Debdulal Bhattacharyya
Kolkata



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