Is a two-step process too ugly?
a
=:6 7$ 0 0 0 0 0 0 1 2 3 4 5 6 7 8 9 1011
12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 0 0 0 0 0
(a='_')}' ',:~a=: ":(a=0)}_,:~a
1
2 3 4 5 6 7 8
9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 29
30 31
On Thu, Sep 28, 2017 at 6:12 AM, Rudolf Sykora <[email protected]>
wrote:
> On 28 September 2017 at 01:09, Devon McCormick <[email protected]> wrote:
> > Assuming a is a numeric matrix:
> >
> > a=. ":a
> > (a='0')}a,:' '
> > 1
> > 2 3 4 5 6 7 8
> > 9 1 11 12 13 14 15
> > 16 17 18 19 2 21 22
> > 23 24 25 26 27 28 29
> > 3 31
> >
> >
>
> see the missing zero in 10, 20, 30; isolated zeros
> were to be removed...
>
> Thanks anyway!
> Ruda
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