So sorry, mathematical notation does not display properly in email, but
you know what I mean.
On 12/25/2011 08:23 PM, Eldon Eller wrote:
> In English, the quadratic formula is:
>
> x equals the quantity negative b plus or minus the square root of the
> quantity b squared minus four times a times c close quantity close
> quantity divided by the quantity two times a close quantity.
>
> In mathematical notation, it is
>
> x = \frac{-b \pm \sqrt{b^2-4ac}}{2a}.
> If you know English, but not mathematical notation, The English version
> is clear and the mathematical version is gobbledygook. If you know
> mathematical notation, that version is not only more terse, but also
> more understandable. So it is with conventional programming languages
> and J (or APL).
>
> On 12/25/2011 07:42 PM, Marshall Lochbaum wrote:
>> Actually I think the Java (which was in fact Java rather than C, although
>> you had no way of knowing) was "if (x>20) return 1; else return 0;". My
>> friend proposed this as a more readable version than ">&20" when I
>> suggested it. In any case, I stand by my rhetoric; the actual code is
>> irrelevant.
>>
>> Marshall
>>
>> 2011/12/25 Björn Helgason<[email protected]>
>>
>>> It is possible to use the extra unused y as comment
>>>
>>> gt20=:20<[
>>> 15 10 35 21 gt20 'true if one otherwise false if zero'
>>> 0 0 1 1
>>>
>>>
>>> 2011/12/25 Björn Helgason<[email protected]>
>>>
>>>> If you want to use x as the example is showing you could do it like this
>>>>
>>>> gt=:20<[
>>>> 21 gt ''
>>>> 1
>>>>
>>>>
>>>> 2011/12/25 R.E. Boss<[email protected]>
>>>>
>>>> No.
>>>>> Lochbaum stated it correctly.
>>>>> It was you who did not recognize>&20 as a (monadic) verb.
>>>>>
>>>>> gt=:>&20
>>>>>
>>>>> 4!:0<'gt'
>>>>> 3
>>>>>
>>>>>
>>>>> R.E. Boss
>>>>>
>>>>>
>>>>>> -----Oorspronkelijk bericht-----
>>>>>> Van: [email protected] [mailto:programming-
>>>>>> [email protected]] Namens Björn Helgason
>>>>>> Verzonden: zondag 25 december 2011 9:49
>>>>>> Aan: Programming forum
>>>>>> Onderwerp: Re: [Jprogramming] Debian Forum comparing J to Brainf*
>>>>>>
>>>>>> " I once had a friend tell me that "if (x>20) return true; else return
>>>>>> false;" was clearer than the J equivalent ">&20". I hope you can see
>>>>> past "
>>>>>> Then this should be ">&20 y"
>>>>>>
>>>>>
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