\[DiscreteShift]

  • Unicode: F4A3.
  • Alias: shift.
  • Prefix operator with built‐in evaluation rules.
  • is by default interpreted as DiscreteShift[y,k].
  • You can use \[InvisibleComma] in the subscript to to give several variables without having them separated by visible commas.
  • Not the same as the ordinary letter E.