NB. I would omit ("1) and arrange multiple vectors in columns.
en =: [: %: [: +/(* +)
]zz =: |: 2 2 $ 1j1 1j1 1j2 4j10 NB. two column vectors
1j1 1j2
1j1 4j10
en 1 2 4 10 NB. norm of 4D real vector
11
en 1j2 4j10 NB. 2D complex vector
11
en zz NB. norms of column vectors
2 11
Den 15:42 mandag den 16. december 2013 skrev Lippu Esa <[email protected]>:
Very nice indeed!
>
>Esa
>-----Original Message-----
>From: [email protected]
>[mailto:[email protected]] On Behalf Of Aai
>Sent: 16. joulukuuta 2013 14:42
>To: [email protected]
>Subject: Re: [Jprogramming] Length of a vector
>
> |@j./"1 yy
> 5 13
>17 25
>
>
>On 16-12-13 04:38, km wrote:
>> This is an easy one, but let's see what you come up with.
>>
>> The Euclidian norm or length of a vector is the square root of the sum of
>> the squares of its components. Write verb en below. It should be able to
>> find the length of a vector of any number of components.
>>
>> ]yy =: 2 2 2 $ 3 4 5 12 8 15 7 24
>> 3 4
>> 5 12
>>
>> 8 15
>> 7 24
>> en yy NB. lengths of 3 4 and 5 12 and 8 15 and 7 24
>> 5 13
>> 17 25
>>
>> -- Kip Murray
>>
>> Sent from my iPad
>> ----------------------------------------------------------------------
>> For information about J forums see http://www.jsoftware.com/forums.htm
>
>--
>Met vriendelijke groet,
>@@i = Arie Groeneveld
>
>
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