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smma ?

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Forex Trader
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Forex Trader 2010.05.06 11:18 

Hi,

I often need to see MA(CLOSE,5), but the last bar is changing, so is the last value of MA(CLOSE,5) .  I try to fix this by emulating a possible lowest (or highest) value....


I use SMMA, so I searched and find this :

----------------------

Smoothed Moving Average (SMMA)

The first value of this smoothed moving average is calculated as the simple moving average (SMA):

SUM1 = SUM(CLOSE, N)

SMMA1 = SUM1/N

The second and succeeding moving averages are calculated according to this formula:

SMMA(i) = (SUM1-SMMA1+CLOSE(i))/N

Where:
SUM1 — is the total sum of closing prices for N periods;
SMMA1 — is the smoothed moving average of the first bar;
SMMA(i) — is the smoothed moving average of the current bar (except for the first one);
CLOSE(i) — is the current closing price;
N — is the smoothing period.
.......

---------------------------------------------

Then I tried the following code:

...

Possible=(ExtMA5Buffer[0]*5-Close[0]+low[0])/5;

...

I put it on the chart, and the value just feels wrong, and that value vary too much (I guess it should be nearly fixed) --- as a matter of fact, I don't understand the above mentioned SMMA method, so my code is actually about SMA.

Could anybody please help me with this code? 

Thanks.

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