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Cryptography
A mighty robot
Eigenspace.net
If
is an
square matrix
and
is an
eigenvalue
of
, then the
union
of the
zero vector
and the set of all
eigenvectors
corresponding to eigenvalue
is a
subspace
of
known as the
eigenspace
of
.
Definition from
Mathworld
is an 
is an 
and the set
of all 
known as the