Question

How do you do the step function brackets in Latex?

looks like [ except double vertical lines.

Thanks!

Answer 1

\[||\]
this? then, use || inside equation editor.

Answer 2

[\![ the \! shrinks the space between the two and it looks like \([\![\) this

Answer 3

so if you want to write the greatest integer function easily, you and just write this:\[[\![x]\!]\]

Answer 4

I've usually seen greatest integer function denoted by \(\lfloor\) and \(\rfloor\). These can be obtained by the code `\lfloor` and `\rfloor`.