trima
Syntax
trima(X, window)
Please see TALib for the parameters and windowing logic.
Details
Calculate the Triangular Moving Average (trima) for X in a sliding window of the given length.
The formula is: 
where w1 = (window + 1)/2 (rounded up); w2 = (window + 1)/2 (rounded down).
Examples
x=12.1 12.2 12.6 12.8 11.9 11.6 11.2
trima(x,3);
// output: [,,12.274999999999998,18.625,18.662500000000001,15.225000000000001,11.59375]
x=matrix(12.1 12.2 12.6 12.8 11.9 11.6 11.2, 14 15 18 19 21 12 10)
trima(x,3);| col1 | col2 |
|---|---|
| 12.2749 | 15.5000 |
| 12.5499 | 17.5000 |
| 12.5249 | 19.2500 |
| 12.0499 | 18.2500 |
| 11.5750 | 13.7500 |