max(), sum(), next()
manuhack at gmail.com
Fri Sep 5 10:28:44 CEST 2008
On Thu, Sep 4, 2008 at 4:25 PM, castironpi <castironpi at gmail.com> wrote:
> 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.
It makes sense.
>The reason sum() is 0 is that sum( [ x ] ) - x = 0.
It doesn't make sense to me. What do you set x to?
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