numpy.where behavior
Robert Kern
robert.kern at gmail.com
Mon Nov 13 23:16:55 EST 2006
Tim Hochberg wrote:
> Another little tidbit: this is not as general as where, and could
> probably be considered a little too clever to be clear, but:
>
> b = 1 / (a + (a==0.0))
>
> is faster than using where in this particular case and sidesteps the
> divide by zero issue altogether.
A less clever approach that does much the same thing:
b = 1.0 / where(a==0, 1.0, a)
--
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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