Nice! Beats my usual constructs for up and down sequences:
}:4-|i:3 1 2 3 4 3 2 or }:(<.|.)>:i.7 1 2 3 4 3 2 R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) > -----Original Message----- > From: [email protected] [mailto:programming- > [email protected]] On Behalf Of Marshall Lochbaum > Sent: maandag 30 juni 2014 17:06 > To: [email protected] > Subject: Re: [Jprogramming] Finger tapping > > How about this one? > > }:#/.=i. 4 > 1 2 3 4 3 2 > > Marshall > > On Mon, Jun 30, 2014 at 10:26:50AM -0400, Henry Rich wrote: > > 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 > > >> > > >> > > >>-- > > >>Sent from Gmail Mobile > > >>---------------------------------------------------------------------- > > >>For information about J forums see > http://www.jsoftware.com/forums.htm > > >---------------------------------------------------------------------- > > >For information about J forums see > http://www.jsoftware.com/forums.htm > > > > > ---------------------------------------------------------------------- > > For information about J forums see > http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
