I need the full part of the iMA() function

[Proximus]

Hi, i need the full function of iMA() especially the exponential moving average.I would like to study how a moving average is calculated so please give me the full iMA() function, thanks :)

[William Roeder]

1. Use this and you would have found this
2. Ignore SMMA code as SMMA(x) == EMA(2x-1)