Numpy Array indexing question

[Konrad Hinsen]

"Pugsley" <europax at home.com> writes:

> I accidentally found that  a[i][j][k] worked just like a[i,j,k] for
> indexing a Numpy array.  But I couldn't find it mentioned any where in the
> Numeric pdf doc.  Is it ok to use that syntax?  Thanks.

Yes. In fact, if you look at the definition of what a[i] does, and
apply this definition three times, then you will see that a[i][j][k]
must be equivalent to a[i,j,k]. However, the latter should be a bit
faster (I didn't check), because only one indexing operation is
performed.
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