Re: [Numpy-discussion] arrays that start from negative numbers?

[Alan I. <ai...@am...>]

> On May 30, 2006, at 11:28 AM, Rick Muller wrote: 
>> Is it possible to create arrays that run from, say -5:5, rather 
>> than 0:11? Analogous to the Fortran "allocate(A(-5:5))" command? 
>> I'm translating a F90 code to Python, and it would be easier to do 
>> this than to use a python dictionary. 


On Tue, 30 May 2006, Rob Hetland wrote: 
> I believe Rick is talking about negative indices (possible in 
> FORTRAN), in which case the answer is no. 



I see.
Perhaps this is still relevant?
(Or perhaps not.)

>>> y=N.arange(11)
>>> x=range(-5,6)
>>> y[x]
array([ 6,  7,  8,  9, 10,  0,  1,  2,  3,  4,  5])
>>>

hth,
Alan Isaac