-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Mike Day
Sent: Tuesday, December 11, 2012 12:12 PM
To: [email protected]
Subject: Re: [Jprogramming] convert 0,1 coding to _1,1

Sorry - I thought there'd been no replies to Brian's query when I posted
this.  Don't know how I missed them all.  No plagiarism intended!

Mike

On 11/12/2012 11:12 AM, Mike Day wrote:
> On 11/12/2012 12:13 AM, Brian Schott wrote:
> Is there a better way than the verb `am` to do the following?
>
>    am =:_1& (I.@:-.@]})
>    am"1] 2 6 ?.@$ 2
> _1 _1 _1 _1 1 _1
> _1 _1 _1  1 1 _1
>
> ===============================================
> Here are three other simple ways- my "random" array appears to be 
> different from yours(!?):
>
>    ((_1 + +:) ; ({&_1 1) ; (_1&^@>:); am"1 )2 6 ?.@$ 2
> +----------------+----------------+----------------+----------------+
> |_1 1  1 _1 _1  1|_1 1  1 _1 _1  1|_1 1  1 _1 _1  1|_1 1 1 _1 _1  1|
> |_1 1 _1 _1 _1 _1|_1 1 _1 _1 _1 _1|_1 1 _1 _1 _1 _1|_1 1 _1 _1 _1 _1|
> +----------------+----------------+----------------+----------------+
>
>
> Mike
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
>

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