Also
(,#\.)@i.&.<: 4
1 2 3 4 3 2
Henry Rich
On 6/30/2014 10:11 AM, Marshall Lochbaum wrote:
People have addressed the reshaping part of this, but a rather nice way
to generate the base sequence is:
((],-)i.)&.<: 4
1 2 3 4 3 2
((],-)i.)&.<: 8
1 2 3 4 5 6 7 8 7 6 5 4 3 2
Marshall
On Fri, Jun 27, 2014 at 12:18:09AM -0500, Kip Murray wrote:
Hold up your right hand with its back toward you and number the forefinger
through little finger 1 through 4. (I suppose the thumb has index 0.) Now
try finger tapping this pattern:
1 2 3 4
3 2 1 2
3 4 3 2
1 2 3 4
3 2 1 2
3 4 3 2
Write a J expression to produce this pattern.
--Kip Murray
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