Could we call it J kernel then? Personally I like the name and it would also not conflict with J core as defined by the Dictionary.
On Fri, Mar 15, 2013 at 1:03 PM, Raul Miller <[email protected]> wrote: > On Fri, Mar 15, 2013 at 1:43 PM, km <[email protected]> wrote: > > Here's a shot at specifying a J core by deleting things from the > Vocabulary page. > > Here are some of my opinions: > > > = • Equal =. Is (Local) =: Is (Global) > > < Box • Less Than <. Floor • Lesser Of (Min) <: Decrement • > Less Or Equal > >> Open • Larger Than >. Ceiling • Larger of (Max) >: Increment • > Larger Or Equal > > Core J does not need decrement, nor increment - you can use -&1 or +&1 > > > _ Negative Sign / Infinity _. Indeterminate _: Infinity > > Core J does not need indeterminate, nor should it need constant > functions. You can use constant"_ for example. > > > + Conjugate • Plus +. Real / Imaginary • GCD (Or) +: Double • > Not-Or > > Core J should probably ignore complex numbers (this also discards some > later verbs). They are useful but not that useful. Double and Not-Or > can also be ignored. I'd also discard boolean operations. > > > * Signum • Times *. Length/Angle • LCM (And) *: Square • > Not-And > > The only core element on this line is, I think: Times > > > - Negate • Minus -. Not • Less -: Halve • Match > > I'd ignore Halve. > > > % Reciprocal • Divide > > %: Square Root • Root > > I'd ignore %: > > > ^ Exponential • Power ^. Natural Log • Logarithm ^: Power (u^:n > u^:v) > > $ Shape Of • Shape > > $: Self-Reference > > I'd ignore ^. and $: > > > ~ Reflex • Passive / Evoke ~. Nub • ~: Nub Sieve • Not-Equal > > I'd ignore nub sieve and evoke. > > > | Magnitude • Residue |. Reverse • Rotate (Shift) > ... > > : Explicit / Monad-Dyad > > :: Adverse > > I'd ignore Adverse (it's rarely used, and for good reason) > > > , Ravel • Append ,. Ravel Items • Stitch ,: Itemize • Laminate > > ; Raze • Link > > ;: Words > > > > # Tally • Copy > > > > ! Factorial > > !: Foreign > > / Insert • Table > > /: • Sort > > \ Prefix > > \: • Sort > > > > [ Same • Left [: Cap > > ] Same • Right > > { • From {. Head • Take {: Tail • > > } • Amend (m} u}) }. Behead • Drop }: Curtail • > > > > " Rank (m"n u"n) ". Do • ": Default Format • Format > > > > > > @ Atop @. Agenda @: At > > & Bond / Compose &. &.: Under (Dual) &: Appose > > I'd ignore &.: and @: and &: - they are convenient but unnecessary. > Similarly, I'd ignore {: and }: - we are trying to give the beginner a > simpler to learn vocabulary. > > u@v is equivalent to u@(v"_) for example. > > > ? Roll • Deal ?. Roll • Deal (fixed seed) > > I'd ignore ?. > > > a. Alphabet a: Ace (Boxed Empty) > > b. Boolean / Basic > > I'd ignore b. > > > e. • Member (In) > > E. • Member of Interval > > > > i. Integers • Index Of i: Steps • Index Of Last I. Indices • > Interval Index > > j. Imaginary • Complex > > I'd ignore i: and j. > > > NB. Comment > > I'd also be hard pressed to find an application which used all of > these, which was suitable as an illustration for beginners. > > That said, rather than trying to define a comprehensive "core > vocabulary" I'd be interested in a concept like "J material for > beginners should begin with a vocabulary pertinent to that essay". > > FYI, > > -- > Raul > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
