You may think you are close to a solution but there are serious problems.
e.g.
- does * denote times or exponentiation (is * the APL * or the ASCII *)?
- you can enter i. as ⍳ but for i: you must enter i:
- |. is not ⌽ but ⊖, depending on which APL you are talking about
- / is not / but ⌿, depending on which APL you are talking about
- etc.
I will say no more, except to repeat: don't go there.
On Thu, Feb 27, 2014 at 9:39 PM, bill lam <bbill....@gmail.com> wrote:
> With some modicitions, J can accpet both ascii and about
> 30 APL symbols as primitive,
>
> ⌈ >. Ceiling
> ⌊ <. Floor
> ⍴ $ Shape
> ∼ -. Not
> ∣ | Absolute value
> ⍳ i. Index generator
> ⋆ ^ Exponential
> − - Negation
> ⌹ %. Matrix inverse
> ○ o. Pi times
> ⍟ ^. Logarithm
> ⌽ |. Reversal
> ⍋ /: Grade up
> ⍒ \: Grade down
> ⍎ ". Execute
> ⍕ ": Monadic format
> ⍉ |: Monadic transpose
> ∈ e. Membership
> ↑ {. Take
> ↓ }. Drop
> ⊥ #: Decode
> ⊤ #. Encode
> ≤ <: Less than or equal
> ≥ >: Greater than or equal
> ≠ ~: Not equal
> ∨ +. Or
> ∧ *. And
> ⍱ +: Nor
> ⍲ *: Nand
> ← =. Is
>
> × * Signum
> ÷ % Reciprocal
>
>
> [A←4 3⍴⍳12
> 0 1 2
> 3 4 5
> 6 7 8
> 9 10 11
> ⌽
> |.
> ⌽A
> 9 10 11
> 6 7 8
> 3 4 5
> 0 1 2
> |.⌽|.A
> 9 10 11
> 6 7 8
> 3 4 5
> 0 1 2
> f=: '⍳'&⍳
> 5!:5 <'f'
> (226 141 179{a.)&i.
>
> Furthermore, I guess a new global parameter 9!:50/51 could
> be used to control 5!:x to print ascii or APL symbol
>
> Other APL symbols are rejected becuase J uses different concepts.
> Rotation (first axis) ⊖
> Reduce (first axis) ⌿
> Scan (first axis) ⍀
> Outer product ∘.
>
> --
> regards,
> ====================================================
> GPG key 1024D/4434BAB3 2008-08-24
> gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3
> gpg --keyserver subkeys.pgp.net --armor --export 4434BAB3
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
>
----------------------------------------------------------------------
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