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
>>>>> ----------------------------------------------------------------------
>>>>> For information about J forums see http://www.jsoftware.com/forums.htm
>>>> ----------------------------------------------------------------------
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>> ----------------------------------------------------------------------
>> For information about J forums see http://www.jsoftware.com/forums.htm
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