That doesn't make sense.

   a(i.!.0 >./) a
1
   (i.!.0 >./) a
1
   a(i. >./) a
0
   (i. >./) a
1

Maybe the special code only applies when used dyadically.


On Fri, Mar 14, 2014 at 5:35 PM, Henry Rich <[email protected]> wrote:

> No, the difference is that the special code for
> (i. >./)
> actually performs
> (i.!.0 >./)
>
> Henry Rich
>
>
> On 3/14/2014 7:29 PM, Don Guinn wrote:
>
>> At first I thought the difference was tacit vs non-tacit. Then I tried
>>     a (i. >./) a
>> 0
>>
>> The difference must be between monadic and dyadic handling.
>>
>>
>> On Fri, Mar 14, 2014 at 5:25 PM, Henry Rich <[email protected]> wrote:
>>
>>  Yeah.
>>>
>>> Henry Rich
>>>
>>>
>>> On 3/14/2014 7:23 PM, Don Guinn wrote:
>>>
>>>  Better?
>>>>
>>>>      a=:1(+,-)--:9!:18''
>>>>      (i. >./) a
>>>> 1
>>>>      a i. >./ a
>>>> 0
>>>>
>>>>
>>>> On Fri, Mar 14, 2014 at 5:12 PM, Don Guinn <[email protected]> wrote:
>>>>
>>>>   oops!
>>>>
>>>>>
>>>>>
>>>>> On Fri, Mar 14, 2014 at 5:04 PM, Henry Rich <[email protected]>
>>>>> wrote:
>>>>>
>>>>>   2nd line needs to be
>>>>>
>>>>>>
>>>>>>     a i. >./ a
>>>>>>
>>>>>> Henry Rich
>>>>>>
>>>>>> On 3/14/2014 7:01 PM, Don Guinn wrote:
>>>>>>
>>>>>>        a=.0 1
>>>>>>
>>>>>>>       (i. >./) a
>>>>>>> 1
>>>>>>>       i. >./ a
>>>>>>> 0
>>>>>>>
>>>>>>>
>>>>>>> On Fri, Mar 14, 2014 at 1:02 PM, Henry Rich <[email protected]>
>>>>>>> wrote:
>>>>>>>
>>>>>>>        (i. >./) a
>>>>>>>
>>>>>>>  1
>>>>>>>>       a i. >./ a
>>>>>>>> 0
>>>>>>>>
>>>>>>>> What is a?
>>>>>>>>
>>>>>>>> Henry Rich
>>>>>>>> ------------------------------------------------------------
>>>>>>>> ----------
>>>>>>>> For information about J forums see http://www.jsoftware.com/
>>>>>>>> forums.htm
>>>>>>>>
>>>>>>>>    ------------------------------------------------------------
>>>>>>>> ----------
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>>>>>>> forums.htm
>>>>>>>
>>>>>>>    ------------------------------------------------------------
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>>>>>>>
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>>>>>> forums.htm
>>>>>>
>>>>>>
>>>>>>
>>>>>   ------------------------------------------------------------
>>>>> ----------
>>>>>
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>>>>
>>>>   ------------------------------------------------------------
>>>> ----------
>>>>
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>>>
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