Phrases 13C gives
d12=: [:}."1[:": (10"_^[)+([:,.])
Format list y as x-wide col with leading 0s
a=: 1 2 3 10 20 30 100 200 300 400 1000 2000 3000
4 d12 a
0001
0002
0003
0010
0020
0030
0100
0200
0300
0400
1000
2000
3000
The column form serves well in making a number list for ticke
I wrote…
> WIBNI we had IFJUPYTER, like IFQT etc.
It's there already. The J script in Martin's package:
~/anaconda3/lib/python3.7/site-packages/jkernel/qjide.ijs
assigns IFQJIDE_z_ =: 1
As you might expect, jqt doesn't set IFQJIDE_z_ =: 0 by default, so you
need to test the flag e.g. like this
