[Jprogramming] convert 0,1 coding to _1,1

Mike Day mike_liz.day at tiscali.co.uk
Tue Dec 11 17:11:32 UTC 2012


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
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