| too many elements [message #66729] |
Thu, 11 June 2009 14:56  |
Hu
Messages: 35
Registered: January 2009
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Member |
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folks
As I have read the themes in this group that refers to 'Array has too
many elements'. I do not got the idea about how to solve my following
problem.
supposing that I have to define a matrix ( like, A) that have
10000*90000*10000 elements. how can obtain this without change the 32-
b operate system? sentence like
A=fltarr(10000,90000,10000)
will cause an error 'Array has too many elements.', dose pointer in
IDL can help this? if yes, how?
Thanks.
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| Re: too many elements [message #66845 is a reply to message #66729] |
Fri, 12 June 2009 13:23  |
R.G. Stockwell
Messages: 363
Registered: July 1999
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Senior Member |
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"Hu" <jhaohu@gmail.com> wrote in message
news:f175a445-a040-4598-8d70-9aa93613d151@s1g2000prd.googleg roups.com...
> folks
>
> As I have read the themes in this group that refers to 'Array has too
> many elements'. I do not got the idea about how to solve my following
> problem.
>
> supposing that I have to define a matrix ( like, A) that have
> 10000*90000*10000 elements. how can obtain this without change the 32-
> b operate system? sentence like
>
> A=fltarr(10000,90000,10000)
>
> will cause an error 'Array has too many elements.', dose pointer in
> IDL can help this? if yes, how?
>
> Thanks.
Have you tried:
IDL>A=fltarr(10000,90000,10000,/use_star_trek_computer)
:)
if that doesn't work, I suggest you reformulate your problem
into a form that is possible. To perform even a simple operation
on each element of that array would take a very long time.
By way of perspective, if you measured a temperature at each latitude,
at each longitude, at each kilometer of altitude up to 100km, each hour
for 158 years, you'd have a data set about that size.
cheers,
bob
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