> By the way,in the current j64-602a(and beta vesions),0x1=is > 2.718281828,is it a bug?
0x1 being non-zero is a bug. ----- Original Message ----- From: Xu Zuoqian <[EMAIL PROTECTED]> Date: Friday, March 7, 2008 1:22 Subject: [Jprogramming] Is there a tacit version EMA? To: [email protected] > The Exponential Moving Average function is defined as(cf. > http://www.fmlabs.com/reference/default.htm): > EMA(0)=y(0) > EMA(i)=(K*y(i))+(1-K)*EMA(i-1),where K=2/(n+1) and n=length(y) > A explict version is > EMA=:((2 % [:>: #) $: ]) : (4 :'(((x * [) + (-.x) * > ])/\.)&.|. y') > Can it be convert to a tacit train? > > By the way,in the current j64-602a(and beta vesions),0x1=is > 2.718281828,is it a bug? ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
