On Wednesday 05 August 2009 22:06:03 David Goldsmith wrote:
> But you can "cheat" and put them on one line (if that's all you're after):
> >>> x = np.array([1, 2, 3])
> >>> maxi = x.argmax(); maxv = x[maxi]
Is there any reason not to put this as a convenience function into numpy?
It is needed so frequently, and it's a shame that the shortest solution
traverses the array twice (the above is usually longer due to variable names,
and/or >1 dimensions).
def give_me_a_good_name(array):
pos = array.argmax()
val = array[unravel_index(pos)]
return pos, val
The name should not be too long, maybe "findmax"? I don't see good
predecessors to learn from ATM.
OTOH, a minmax() would be more pressing, since there is no shortcut yet
AFAICS.
Ciao,
Hans
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