Chapter 2Definitions and Notation
2.1 Notation for Sets, Vectors and Matrices
Throughout, we use the following notation. We use capital calligraphic letters like 
, 
, 
, to denote sets. We denote as 
to the set of elements of 
that are not in 
. Given a set 
, the number of elements of 
is noted as 
. The notation 
means that 
is a function from the set into the set . The set of real numbers is denoted ...
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