[Numpy-discussion] memory allocation at assignment

[astronomer]

Hi All,
I am wondering if there any difference in memory overhead between the
following code.
a=numpy.arange(10)
b=numpy.arange(10)
c=a+b

and 
a=numpy.arange(10)
b=numpy.arange(10)
c=numpy.empty_likes(a)
c[:]=a+b

Does the later code make a temproray array for the result of (a+b) and then
copy it to c. I beleive it does that, but i wanted to make sure.

Thanks,

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