Unknown wrote:
On 2009-01-22, Tobiah <t...@tobiah.org> wrote:
Although it's trivial to program, I wondered whether
there was a builtin or particularly concise way to
express this idea:
a = [(1, 2), (3, 4), (5, 6)]
field[a, 2]
[2, 4, 6]
where field() is some made up function.
The above example is a great application for numpy's array
type:
http://numpy.scipy.org/
Here's an example showing how you extract a column using
indexing operations:
http://www.scipy.org/Tentative_NumPy_Tutorial#head-864862d3f2bb4c32f04260fac61eb4ef34788c4c
[I assume numpy is still the numerical/array package du jour?]
Yes.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco
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