It did not say that u/ is equivalent to u"(lu,_) , just that x u/ y is equivalent to x u"(lu,_) y .
----- Original Message ----- From: Oleg Kobchenko <[EMAIL PROTECTED]> Date: Friday, September 22, 2006 1:36 pm Subject: Re: Cell (was Re: [Jgeneral] I expect a table of ordered pairs for this) > > Thus x u/ y is equivalent to > > x u"(lu,_) y where lu is the left rank of u . > > (i.3) <@(+"0 _) i.3 > +-----+-----+-----+ > |0 1 2|1 2 3|2 3 4| > +-----+-----+-----+ > (i.3) <@(+/) i.3 > +-----+ > |0 1 2| > |1 2 3| > |2 3 4| > +-----+ > > That does not look equivalent. > > What it should say: x u/ y is equivalent to x u"(lu,_)"_ y > > (i.3) <@(+"0 _"_) i.3 > +-----+ > |0 1 2| > |1 2 3| > |2 3 4| > +-----+ > > > --- Roger Hui <[EMAIL PROTECTED]> wrote: > > > You should also read section II b of the dictionary: > > > > http://www.jsoftware.com/help/dictionary/dictb.htm > > > > and the immediately following sentence in the > > dictionary entry for / : > > > > In general, each cell of x is applied to the > > entire of y . Thus x u/ y is equivalent to > > x u"(lu,_) y where lu is the left rank of u . ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
