data type and logarithm
Robert Kern
robert.kern at gmail.com
Thu Jun 16 17:21:56 EDT 2011
On 6/16/11 12:20 PM, Terry Reedy wrote:
> rho = mp.append(rho, float(r)) # same with entropy)
>
> does numpy really not let you write Python stype
>
> rho.append(float(r))
> ?
No. numpy arrays are not extensible in-place in general because we use view
semantics for slices and similar operations like transpositions. We can't have
the underlying memory change out from underneath us. This is one of the worst
ways to accumulate values into a numpy array.
--
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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