That's a good distinction: the verb, and the application of it. I see that each requires a (slightly) different description.
----- Original Message ----- From: Marshall Lochbaum <[email protected]> Date: Friday, September 23, 2011 20:10 Subject: Re: [Jprogramming] Consecutive Numbers in List To: Programming forum <[email protected]> > If I'm translating the code to English, I prefer the second, > without "apply" > because there's a more direct correspondence between words in J > and English > words--J has no real "apply" verb. > In a comment for the code I gave, I would probably say the first > so that > it's clear that we want the result of the application rather > than the verb > itself. > An appropriate translation of the code could also be "+/ on > prefixes of > suffixes of the first four primes." > > It is an excellent demonstration of those adverbs--I'm glad you > showed it > off. > > Marshall > > On Fri, Sep 23, 2011 at 10:36 PM, Roger Hui <[email protected]> > wrote: > > Marshall, I am curious: which of the following > > two statements do you think is better? > > > > Apply +/ on prefixes of suffixes > > +/ on prefixes of suffixes > > > > p.s. I showed your solution at the Minnowbrook > > conference here this week. > > > > > > > > ----- Original Message ----- > > From: Marshall Lochbaum <[email protected]> > > Date: Friday, September 16, 2011 10:44 > > Subject: Re: [Jprogramming] Consecutive Numbers in List > > To: Programming forum <[email protected]> > > > > > ; <@:(+/\)\. p:i.4 > > > 2 5 10 17 3 8 15 5 12 7 > > > > > > applies +/ on prefixes of suffixes. > > > > > > Marshall > > > > > > On Fri, Sep 16, 2011 at 12:59 PM, Roger Hui <[email protected]> > > > wrote: > > > > Multiple applications of the infix x +/\ y does the trick. > > > > > > > > f=: >:@i.@# +/\&.> < > > > > f 2 3 5 7 > > > > ┌───────┬──────┬─────┬──┐ > > > > │2 3 5 7│5 8 12│10 15│17│ > > > > └───────┴──────┴─────┴──┘ > > > > g=: ;@f > > > > g 2 3 5 7 > > > > 2 3 5 7 5 8 12 10 15 17 > > > > > > > > The results of f are the 1-, 2-, 3-, and 4-infix sums. > > > > Razing the whole thing gets the desired result. > > > > > > > > > > > > > > > > ----- Original Message ----- > > > > From: David Vaughan <[email protected]> > > > > Date: Friday, September 16, 2011 9:49 > > > > Subject: [Jprogramming] Consecutive Numbers in List > > > > To: Programming forum <[email protected]> > > > > > > > > > I'm trying to get a list of the sum of all possible > consecutive> > > > numbers. > > > > > E.g. > > > > > > > > > > for p:i.4, I want a list: > > > > > > > > > > 2 0 0 0 > > > > > 2 3 0 0 > > > > > 2 3 5 0 > > > > > 2 3 5 7 > > > > > 3 5 7 0 > > > > > 5 7 0 0 > > > > > 7 0 0 0 > > > > > 3 5 0 0 > > > > > > > > > > I then do +/"1 to get the sum of each row. My problem is that > > > > > I'm only getting consecutive numbers that start on p:0 or > > > end on > > > > > the last value, so it misses out loads in between. In the > > > > > example above I get all but the last row. This is what I > > > have so far: > > > > > > > > > > list=:3 :'(+/"1@>{\p:i.y),+/"1@>{\.p:i.y' > > > > > list 10 > > > > > 2 5 10 17 28 41 58 77 100 129 129 127 124 119 112 101 88 71 > > > 52 29 > > > > > > > > > > Also I was wondering if there was a way to streamline > something> > > > like that because I'm doing +/"1@>{\.p:i.y > twice basically, but > > > > > with \. changed to \ > > > > --------------------------------------------------------------- > ------- > > 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
