In mathematics, the sign function or signum function (from signum, Latin for "sign") is an odd mathematical function that extracts the sign of a real number. In mathematical expressions the sign function is often represented as sgn.
== Definition ==
The signum function of a real number x is defined as follows:
sgn
(
x
)
:=
{
−
1
if
...
Oops, the onebox doesn’t make it clear, but that specifically links to the “Complex signum” section
@EriktheGolfer The thing is, there is no golfy way to do what you're doing, no straightforward way to do 0Ȯ3¡1Ȯ3¡ twice. You won't be happy golfing in Jelly if you don't treat it like an array-manipulation language.
@Lynn I think "preceded" means "before", while "followed" means "after", although they are ambiguous, so they can be easily confused. Also, there is no syntax sample there.
That wouldn't work. You need to left-pad all binary representations to the same length, which can be achieved with z. z pads to the right though, so you have to reverse the rows first.
@EriktheGolfer Nice work. That answer cannot be accepted though since the challenge is from 2013; Jelly was created only 8 months ago. In fact, you should add non-competing to the header, as the CJam and MATL answers did.