dema

Syntax

dema(X, window)

Please see TA-Lib Functions for the parameter description and windowing logic.

Details

Calculate the Double Exponential Moving Average (dema) for X in a sliding window of the given length.

The formula is:

Examples

x=12.1 12.2 12.6 12.8 11.9 11.6 11.2
dema(x,3);
// output
[,,,,12.091666666666668,11.689583333333335,11.266666666666665]

x=matrix(12.1 12.2 12.6 12.8 11.9 11.6 11.2, 14 15 18 19 21 12 10)
dema(x,3);
col1 col2
12.0917 20.9444
11.6896 14.6806
11.2667 10.9444

Related functions: ema, tema