0
votes
1answer
89 views

Producing \right and \left not related [closed]

I used the commands \right and \left to produce an linear systems using array (putting a period immediately after the \right): \documentclass[a4paper,12pt]{article} \usepackage{amssymb} ...
8
votes
3answers
1k views

Cases with square brackets

How can I subdivide in cases with square brackets? I mean I want to write: ⌈ 2_i if ... rank (q, l) = | 2_i + 1 if ... ⌊ .... with square brackets, not ...