Hi,

Doing that I get the following:

Browse[2]> Reduce["+",results]
Error in Reduce["+", results] : 
  object of type 'closure' is not subsettable

Thanks again!

Kind regards,
Greg
On Sep 12, 2010, at 3:49 PM, Phil Spector wrote:

> Gregory -
>   Suppose your list is called "mymats".  Then
> 
> Reduce("+",mymats)
> 
> does what you want.
>                                  - Phil
> 
> 
> On Sun, 12 Sep 2010, Gregory Ryslik wrote:
> 
>> Hi,
>> 
>> I have a list of several hundred 2 dimensional matrices, where each matrix 
>> is n x m. What I need to do is that for each n,m I  need an average over all 
>> the lists. This would collapse it down to just one nxm matrix. Any easy ways 
>> to do that? As always, I'd like to avoid a for loop to keep computational 
>> time low! Thanks again everyone!
>> 
>> Cheers,
>> G
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>> 

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