Eigen may refer to:
People with the given name
*, Japanese sport shooter
*, Japanese professional wrestler
*
Frauke Eigen (born 1969) German photographer, photojournalist and artist
*
Manfred Eigen (1927–2019), German biophysicist
*
Michael Eigen (born 1936) American psychologist and psychoanalyst
*
Karl Eigen (1927–2016) German farmer and politician
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Saint Eigen, female Christian saint
*
Peter Eigen, (born 1938) German lawyer, development economist and civil society leader
Places
*
Eigen, Schwyz, settlement in the municipality of Alpthal in the canton of Schwyz, Switzerland
*
Eigen, Thurgau, locality in the municipality of
Lengwil in the canton of Thurgau, Switzerland
*
Eigen-ji, Buddhist temple
Others
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Eigen (C++ library), computer programming library for matrix and linear algebra operations
*
Eigen Wereld, is Opgezwolle's third album
*
Eigen Kweek, was a 2013-2019 Belgian crime comedy television series
See also
*
Eigenvalue, eigenvector and eigenspace
In linear algebra, an eigenvector ( ) or characteristic vector is a vector that has its direction unchanged (or reversed) by a given linear transformation. More precisely, an eigenvector \mathbf v of a linear transformation T is scaled by a c ...
in mathematics and physics
* Eigenclass, synonym to ''
metaclass'' in the Ruby programming language
* Eigenbehaviour, with its connection to
eigenform and
eigenvalue
In linear algebra, an eigenvector ( ) or characteristic vector is a vector that has its direction unchanged (or reversed) by a given linear transformation. More precisely, an eigenvector \mathbf v of a linear transformation T is scaled by a ...
in
cybernetics
Cybernetics is the transdisciplinary study of circular causal processes such as feedback and recursion, where the effects of a system's actions (its outputs) return as inputs to that system, influencing subsequent action. It is concerned with ...
*
Eigenfunction
In mathematics, an eigenfunction of a linear operator ''D'' defined on some function space is any non-zero function f in that space that, when acted upon by ''D'', is only multiplied by some scaling factor called an eigenvalue. As an equation, th ...
, is any non-zero function
{{Disambiguation, geo, given name, surname
Japanese masculine given names
Masculine given names
Japanese-language surnames