Cool!

Sent from my iPad


On Sep 14, 2013, at 12:19 PM, Roger Hui <[email protected]> wrote:

> Hook is not a favorite of mine but in this case I think a hook formulation
> is better:
> 
>   (^&.j. -: sin (j.-) cos) 0.5*i.4
> 1
> 
> 
> 
> On Wed, Sep 11, 2013 at 1:03 PM, km <[email protected]> wrote:
> 
>> Maybe
>> 
>>    (^&.j. -: [: + sin j. cos) 0.5 * i.4
>> 1
>> 
>> but I think  sin j. -@cos  is better.
>> 
>> Sent from my iPad
>> 
>> 
>> On Sep 11, 2013, at 2:00 PM, Raul Miller <[email protected]> wrote:
>> 
>>> Are  you asking for
>>>  (^&.j. -: sin j. -@cos) 0.5 * i.4
>>> 1
>>> 
>>> ?
>>> 
>>> Thanks,
>>> 
>>> --
>>> Raul
>>> 
>>> On Wed, Sep 11, 2013 at 2:23 PM, km <[email protected]> wrote:
>>>> How would you handle
>>>> 
>>>>   (^&.j. -: sin - i * cos) 0.5 * i.4
>>>> 1
>>>> 
>>>> ?
>>>> 
>>>> Sent from my iPad
>>>> 
>>>> 
>>>> On Sep 11, 2013, at 12:34 PM, Roger Hui <[email protected]>
>> wrote:
>>>> 
>>>>> I prefer the following formulation:
>>>>> 
>>>>> (^&j. -: cos j. sin) 0.5*i.4
>>>>> 1
>>>>> 
>>>>> j. is one of those masterstrokes that separate genius from mere
>> mortals.
>>>>> 
>>>>> 
>>>>> 
>>>>> On Wed, Sep 11, 2013 at 10:18 AM, km <[email protected]> wrote:
>>>>> 
>>>>>>  sin =: 1&o.
>>>>>>  cos =: 2&o.
>>>>>>  i =: 0j1
>>>>>>  (^&j. -: cos + i * sin) 0.5*i.4
>>>>>> 1
>>>>>> 
>>>>>> Kip
>>>>>> 
>>>>>> Sent from my iPad
>>>>>> 
>>>>>> 
>>>>>> On Sep 11, 2013, at 11:42 AM, Raul Miller <[email protected]>
>> wrote:
>>>>>> 
>>>>>>> ^&j. ..- 0.5*i.4
>>>>>>> 1 0.877583 0.540302 0.0707372
>>>>>>> 2 o. 0.5*i.4
>>>>>>> 1 0.877583 0.540302 0.0707372
>>>>>>> 1 o. 0.5*i.4
>>>>>>> 0 0.479426 0.841471 0.997495
>>>>>>> ^&.j. .:- 0.5*i.4
>>>>>>> 0 0.479426 0.841471 0.997495
>>>>>>> 
>>>>>>> --
>>>>>>> Raul
>> ----------------------------------------------------------------------
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>> http://www.jsoftware.com/forums.htm
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>>>> ----------------------------------------------------------------------
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>>> ----------------------------------------------------------------------
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>> ----------------------------------------------------------------------
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> ----------------------------------------------------------------------
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