max(), sum(), next()
castironpi at gmail.com
Thu Sep 4 22:25:05 CEST 2008
On Sep 4, 2:42 pm, bearophileH... at lycos.com wrote:
> David C. Ullrich:
> > At least in mathematics, the sum of the elements of
> > the empty set _is_ 0, while the maximum element of the
> > empty set is undefined.
> What do you think about my idea of adding that 'default' argument to
> the max()/min() functions?
For max and min, why can't you just add your argument to the set
The reason max() is undefined is that max( S ) is in S. The reason
sum() is 0 is that sum( [ x ] ) - x = 0.
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