KX Community

X-Mailer: Apple Mail (2.930.3)Untested, but something like ema:{[x;y]b:1-a:2%x+1;c:(sum x#y)%x; ((x-1)#0n),c,c{[a;b;c;d](a*d)+b*c}[a;b]\x _y} should provide a starting point.On Apr 9, 2009, at 8:10 PM, Wind wrote:>> I have found the ema function from...

> This is better:>> � � � {sum exp x?1.0} peach 4#50000000>> But 'peach' is only 25% faster than 'each'. �I wouldn't have thought> this micro benchmark was dominated by IPC overhead.Hmm.. on my box:one threadq)\t {sum exp x?1.0} peach 4#500000009205q...

On Apr 6, 2:36=A0pm, "Roman.Shestakov" wrote: > is there a limitation in KDB+ 2.4 2008.03.31 for socket connections? No > I am trying to set up an Eclipse debug config as described here:http://www=.qkdt.org/gettingstarted.html > > and getting : > "co...

On Apr 5, 11:56�pm, "Christopher Diggins" wrote:> It shouldn't be. One's a programming language and one's a database.> That's like saying SQL and SQL Server are the same thing.No; its saying something more like "the SQL implementation in SQLServer an...

> has been released for evaluation is actually the database - the q> language associated with it is to write kdb+ applications. I had the> sequence reversed... ;-)In kdb+ it can be hard to separate the "q"uery/programming languageand the database - a...