RE: vectorized moving average?

[Tim Rueth]

I looked at both conv() and filter(), but can't figure out how to do a
moving average with them.  Perhaps I'm not understanding the functions of
the input vars correctly.

Let's say I have an array, a = rand(1,100).  Can you tell me how I'd use
conv() and filter() to take, say the 10-day moving average of it, with a
weighting of 0.5?

Thanks!


> -----Original Message-----
> From: Andy Buckle [mailto:address@hidden 
> Sent: Thursday, May 06, 2010 12:06 AM
> To: address@hidden
> Cc: address@hidden
> Subject: Re: vectorized moving average?
> 
> conv is also an m file, but it only has a few ifs in. then it 
> calls filter to get the job done. which is an oct file.
> 
> Andy
> 
> On Thu, May 6, 2010 at 6:28 AM, Tim Rueth <address@hidden> wrote:
> > Does anyone know how to take an n-day weighted moving average of a 
> > vector without using a for-loop?  I looked at the M code 
> for movavg() 
> > and it uses a for-loop, so I'm guessing there probably isn't a way, 
> > but I thought I'd check.  Thanks.
> >
> > --Tim
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> >
> 
> 
> 
> --
> /* andy buckle */
>