Experiment with

   f =: 3 : '% +: y'

   g =: 3 : '(% +:)y'

Kip Murray

Sent from my iPad


On Oct 14, 2012, at 1:31 PM, Keith Park <[email protected]> wrote:

> Does this mean that hooks and forks are excluded from explicit definitions?
> 
> On Sun, Oct 14, 2012 at 2:54 AM, Linda Alvord <[email protected]>wrote:
> 
>> Kip, Your response made me compare the use of 3 and 13.
>> 
>>   f=: 13 :'%+/%y'
>>   g=: 3 :'%+/%y'
>> 
>>   f 2 4
>> 1.33333
>>   g 2 4
>> 1.33333
>> 
>>   f
>> [: % [: +/ %
>>   g
>> 3 : '%+/%y'
>> 
>> 
>> What I like best are the trees when I'm lost in the forest!
>> 
>>    5!:4 <'f'
>>  -- [:
>>  +- %
>> --+    -- [:
>>  L----+- / --- +
>>       L- %
>> 
>>   5!:4 <'g'
>>      -- 3
>> -- : -+- ,:'%+/%y'
>> 
>> 
>> Linda
>> 
>> 
>> ----Original Message-----
>> From: [email protected]
>> [mailto:[email protected]] On Behalf Of km
>> ent: Sunday, October 14, 2012 12:09 AM
>> To: [email protected]
>> Subject: Re: [Jprogramming] another example of 'under'
>> 
>> Why don't you just do
>> 
>>   pr =: 3 : '%+/%y'
>> 
>> ?
>> 
>> Kip Murray
>> 
>> Sent from my iPad
>> 
>> 
>> On Oct 13, 2012, at 5:55 PM, Keith Park <[email protected]> wrote:
>> 
>>> To find the value of resistors in parallel one takes the reciprocal of
>>> the sum of the reciprocals.  So I would like to write a verb to do
>>> just that.  *pr=:%+/%
>>>  *But that, of course, doesn't work.  So my question is "is there a
>>> way of avoiding unwanted hooks and forks?"
>>> 
>>> On Fri, Oct 5, 2012 at 8:20 AM, Keith Park <[email protected]> wrote:
>>> 
>>>> Thanks!
>>>> 
>>>> 
>>>> On Thu, Oct 4, 2012 at 10:14 PM, Raul Miller
>> <[email protected]>wrote:
>>>> 
>>>>> In the sentence:
>>>>> 
>>>>>  +/&.:% resistances
>>>>> 
>>>>> the phrase +/&.:% is a verb which finds parallel resistance.
>>>>> 
>>>>> --
>>>>> Raul
>>>>> 
>>>>> On Thu, Oct 4, 2012 at 9:19 PM, Keith Park <[email protected]> wrote:
>>>>>> To parallel a number of resistors the expression * %+/%  *does the
>> job.
>>>>>> How could one make an equivalent verb?
>>>>>> 
>>>>>> On Wed, Sep 26, 2012 at 12:38 PM, Boyko Bantchev
>>>>>> <[email protected]>
>>>>> wrote:
>>>>>> 
>>>>>>> On 26 September 2012 15:39, Henry Rich <[email protected]> wrote:
>>>>>>>> +&.% is the operation for combining parallel electrical
>>>>>>>> +resistances,
>>>>>>> another
>>>>>>>> example that immediately demonstrates the associativity.
>>>>>>> 
>>>>>>> Indeed!  I had the vague feeling I know this formula from
>>>>>>> somewhere else but it evaded me where.
>>>>>>> 
>>>>>>>> (w:h) .................
>>>>>>> 
>>>>>>> The above is a mistake, of course.  I should have said h:w, or
>>>>>>> place rectangles one above the other instead.
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