EECS20N: Signals and Systems

More Sets

The following sets are defined using predicates:
 
Complex =
{ x + yi | x, y Reals } complex numbers, i = √ - 1
[α , β ] = 
{x ∈ Reals | α ≤ x β } closed interval
(α , β ] = 
{x ∈ Reals | α < x β } half-open, half-closed interval
(α , β ) = 
{x ∈ Reals | α < x< β } open interval