Editing Spectral theorem (section)

== See also ==
* {{annotated link|Hahn-Hellinger theorem}}
* [[Spectral theory of compact operators]]
* [[Spectral theory of normal C*-algebras]]
* [[Borel functional calculus]]
* [[Spectral theory]]
* [[Matrix decomposition]]
* [[Canonical form]]
* [[Jordan normal form|Jordan decomposition]], of which the spectral decomposition is a special case.
* [[Singular value decomposition]], a generalisation of spectral theorem to arbitrary matrices.
* [[Eigendecomposition of a matrix]]
* [[Wiener–Khinchin theorem]]