[Numpy-discussion] Variable in an array name?

[dstaley]

Zachary Pincus-2 wrote:
> 
>> Is it possible to use a variable in an array name?  I am looping  
>> through a
>> bunch of calculations, and need to have each array as a separate  
>> entity.
>> I'm pretty new to python and numpy, so forgive my ignorance.  I'm  
>> sure there
>> is a simple answer, but I can't seem to find it.
>>
>> let's say i have a variable 'i':
>>
>> i = 5
>>
>> I would like my array to have the name array5
>>
>> I know how I could do this manually, but not in a loop where i is  
>> redefined
>> several times.
> 
> There are ways to do this, but what you likely actually want is just  
> to put several arrays in a python list and then index into the list,  
> instead of constructing numbered names.
> 
> e.g.:
> 
> array_list = []
> 
> for whatever:
>    array_list.append(numpy.array(whatever))
> 
> for array in array_list:
>    do_something(array)
> 
> given_array = array_list[i]
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> 
> 


Thank you very much for the prompt response.  I have already done what you
have suggested, but there are a few cases where I do need to have an array
named with a variable (looping through large numbers of unrelated files and
calculations that need to be dumped into different analyses).  It would be
extraordinarily helpful if someone could post a solution to this problem,
regardless of inefficiency of the method.  Thanks a ton for any additional
help.
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