gdema ( seq n v -- newseq )

Vocabulary

math.finance

Inputs

seq	an object
n	an object
v	an object

Outputs

newseq

an object

Definition

USING: kernel math math.vectors sequences ;

IN: math.finance

: gdema ( seq n v -- newseq )
    [ [ ema ] keep dupd ema ] dip [ 1 + v*n ] [ v*n ] bi-curry
    bi* [ length tail* ] keep v- ;