As computer monitors are getting bigger and bigger, we do not abbreviate names, except for the cases below.
Abbreviations used in the field:
rep
for representation
, as is customary in the field
irrep
for irreducible representation
, same
Abbreviations from Matlab (or toolboxes) conventions:
conj
for conjugate
n
for number
nCopies
for numberOfCopies
nXYZ
for numberOfXYZ
fun
for function
var
for variable
(YALMIP)
str
for string
Other abbreviations:
eqv
for equivalent
col(s)
for column(s)