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