[Jprogramming] Tacit vs. Explicit

[Linda Alvord]

   load'c:\j701\addons\general\misc\trace.ijs'
|file name error: script
|       0!:0 y[4!:55<'y'


This may be helpful but where did you find trace.ijs ?


-----Original Message-----
From: programming-bounces at jsoftware.com [mailto:programming-bounces at jsoftware.com] On Behalf Of Björn Helgason
Sent: Friday, October 07, 2011 7:16 AM
To: Programming forum
Subject: Re: [Jprogramming] Tacit vs. Explicit

Is this what you are looking for?

   load'c:\j701\addons\general\misc\trace.ijs'
   trace'(((+/ % #) * 1 + #) - +/)90 90 90'


2011/10/7 Linda Alvord <lindaalvord at verizon.net>

> Is there a way to go from a tacit expression to find the correct explicit
> expression?
>
>    a =: 13 :'((+/ % #) * 1 + #) - +/'
>    a 90 90 90
> |syntax error: a
> | a 90 90 90
>
>  b=:((+/ % #) * 1 + #) - +/
>  b 90 90 90
> 90
>
>  c =: 13 :'((+/ % #) * 1 + #) - +/y'
>  c 90 90 90
> _540
>
>  d =: 13 :'((+/ % #) * 1 + #y) - +/y'
>  d 90 90 90
> _269
>
>  e=: 13 :'((+/ % #y) * 1 + #y) - +/y'
>  e 90 90 90
> _268.667
>
>
>   a
> 3 : '((+/ % #) * 1 + #) - +/'
>  b
> ((+/ % #) * 1 + #) - +/
>  c
> [: ((+/ % #) * 1 + #) [: - +/
>  d
> ([: (+/ % #) [: * 1 + #) - +/
>  e
> (([: +/ [: % #) * 1 + #) - +/
>
>
>
> 5!:4 <'a'
>
>      -- 3
> -- : -+- ,:'((+/ % #) * 1 + #) - +/'
>
>
>   5!:4 <'b'
>
>            -- / --- +
>        ----+- %
>        │   L- #
>  ------+- *
>  │     │   -- 1
>  │     L---+- +
> --+         L- #
>  +- -
>  L- / --- +
>
>
>   5!:4 <'c'
>
>  -- [:
>  │          -- / --- +
>  │    ------+- %
>  │    │     L- #
>  +----+- *
> --+    │     -- 1
>  │    L-----+- +
>  │          L- #
>  │    -- [:
>  L----+- -
>       L- / --- +
>
>
>   5!:4 <'d'
>
>        -- [:
>        │    -- / --- +
>        +----+- %
>        │    L- #
>  ------+
>  │     │    -- [:
>  │     │    +- *
>  │     L----+     -- 1
> --+          L-----+- +
>  │                L- #
>  +- -
>  L- / --- +
>
>
>
>
>
>   5!:4 <'e'
>
>            -- [:
>            +- / --- +
>        ----+
>        │   │     -- [:
>        │   L-----+- %
>  ------+         L- #
>  │     +- *
>  │     │   -- 1
> --+     L---+- +
>  │         L- #
>  +- -
>  L- / --- +
>
> Do you get the answer you want with b, c, d or e? I would have guessed it
> should be  b , that doesn't seem to be  very helpful.
>
> -----Original Message-----
> From: programming-bounces at jsoftware.com
> [mailto:programming-bounces at jsoftware.com] On Behalf Of Henry Rich
> Sent: Wednesday, October 05, 2011 5:25 AM
> To: Programming forum
> Subject: Re: [Jprogramming] Tacit vs. Explicit
>
> bestfit=:(],0{&<.&<.0.5+(1+0.01*_15+(?@(30"_)))*(((+/ % #)*1+#)-(+/)))
>    bestfit 90 90 90
> 90 90 90 101
>    bestfit 90 90 90
> 90 90 90 102
>    bestfit 90 90 90
> 90 90 90 103
>    bestfit 90 90 90
> 90 90 90 78
>
> Henry Rich
>
> On 10/5/2011 5:19 AM, Gian Medri wrote:
> > Hi!
> >   I have a function:
> > bestfit=:(],0{&<.&<.0.5+(1+0.01*(?30)-15)*(((+/ % #)*1+#)-(+/)))
> > that calculates the n+1 element.
> > bestfit 90 90 90
> > 90 90 90 81
> > The tacit form doesn't work properly, because the "?" is not active every
> > time I call bestfit 90 90 90.
> > When I use
> > (],0{&<.&<.0.5+(1+0.01*(?50)-25)*(((+/ % #)*1+#)-(+/))) 90 90 90
> >   then the function works properly.
> >
> > My question is if it is possible to have a tacit verb with the "?"
> active.
> >
> > Thanks
> >
> > Gian Medri
> > ----------------------------------------------------------------------
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> >
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-- 
Björn Helgason, Verkfræðingur
Fornustekkum II
781 Hornafirði,
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http://groups.google.com/group/J-Programming


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