Hmm... I'd phrase that differently:
J's blocks are a strict (or maybe 'flat') abstraction that do not
inherit from other blocks.
Local names (as opposed to locale names) are specific to the block
they were created in,
That said, the underlying concept is, I think, the same.
Thanks,
--
Raul
O
There are several ways to accomplish what I think you're asking for:
Algebraic simplification:
g=:3 :0
-y
)
Pass the intermediate result as a parameter:
g=:3 :0
b=. 2*y
f=. 4 :'y-x'
b f y
)
Or
g=:3 :0
b=. 2*y
f=. b 1 :'y-m'
f y
)
Serialize the desired value and incorporate it i
J has no concept of block scope. locales provide namespaces, so public
assignments are not truly global but only visible within the locale; but
for something small like what you are talking about you just can't do it.
Henry Rich
PS You CAN actually get to g's b from the function f, using a fe
Dear list,
although I seem to be able to define a function within another function,
it seems that the inner function does not see private variables from the
outer one. What is then the correct way to write something like
g =: 3 : 0
b =. 2*y
f =. 3 : 'y-b'
f y
)
g 2
and get -2 as a result?
Her
That approach looks like it matches that description of what you want.
Thanks,
--
Raul
On Fri, Mar 20, 2020 at 11:10 AM Rudolf Sykora wrote:
>
> Dear Raul,
>
>
> thanks for your prompt answer, I hope I understand the logic at least somehow.
> The first part is understood, you break the list of
Dear Raul,
thanks for your prompt answer, I hope I understand the logic at least somehow.
The first part is understood, you break the list of boxes and rebuild it
back.
The second question, by my fault, was misinterpreted.
I actually want to do the operation on each third box (where, by chance,
ee=:(129;144;51582.8125;7);<128;143;51545.3125;22
If you define a verb which combines the first two boxes of list of
numbers, for example:
((2 ;@{. ]);2 }.]) 1{:: ee
+---+---+--+
|128 143|51545.3|22|
+---+---+--+
You can apply that at level 1 of your noun using L:1
((2 ;@{.
Dear list,
say I have a variable
ee
+--+---+
|+---+---+--+-+|+---+---+--+--+|
||129|144|51582.8125|7|||128|143|51545.3125|22||
|+---+---+--+-+|+---+---+--+--+|
+--+---+
how can I
1)
