He's not using level to explain boxing: he's using it to represent multidimensional unboxed arrays.  I think that's a great idea, because it makes the frame easier to think about than using a physical representation of the data as a cube or table etc.

Arnab: this may be a problem later, because 'level', as Devon says, is a J term related to boxing.

Also: you will have to decide whether you think an atom is an array.  NuVoc takes the position that an atom is NOT an array; it uses the terms 'atom', array', and 'noun' as needed.  There is distinguished opposition to this view, including from the originator of the language, but NuVoc is now officially sanctioned...

I just now looked at the first pages.  This is fine work.  It gives good motivation for taking the trouble to learn the language.  Keep it up.

Henry Rich

On 1/19/2021 9:00 PM, Devon McCormick wrote:
Hi Arnab,

where you are using a tree metaphor to explain boxing, if you label the
simple vector as having depth 0, rather than 1, it would line up with the
result of the level verb (L.), e.g.
    L. i. 3
0
    L. 1 2;3 4;5 6
1

Regards,

Devon

On Tue, Jan 19, 2021 at 8:56 PM HH PackRat <[email protected]> wrote:

On 1/19/21, Arnab Chakraborty <[email protected]> wrote:
Anyway, I have dumped a few more draft pages (
https://arnabc74.github.io/jsoft/)
The hotlink to  nonlin11.html  should be  nonlin1.html  to avoid a 404
error.

Harvey
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