Eigen may refer to:
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Eigen (C++ library)
Eigen is a high-level C++ library of template headers for linear algebra, matrix and vector operations, geometrical transformations, numerical solvers and related algorithms.
Eigen is open-source software licensed under the Mozilla Public Li ...
, computer programming library for matrix and linear algebra operations
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Eigen Technologies, the Document AI software company
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Eigen, Schwyz, settlement in the municipality of Alpthal in the canton of Schwyz, Switzerland
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Eigen, Thurgau, locality in the municipality of
Lengwil
Lengwil is a municipality in the district of Kreuzlingen in the canton of Thurgau in Switzerland.
History
The municipality was created in 1998 by a merger of the ''Ortsgemeinde'' of Illighausen and the village of Oberhofen bei Kreuzlingen. in the canton of Thurgau, Switzerland
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Manfred Eigen
Manfred Eigen (; 9 May 1927 – 6 February 2019) was a German Biophysical chemistry, biophysical chemist who won the 1967 Nobel Prize in Chemistry for work on measuring fast chemical reactions.
Eigen's research helped solve major problems in ...
(1927–2019), German biophysicist
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Saint Eigen
Saint Eigen, Eurgen, Eurgain or Eurgan was the legendary, and possibly historical first female Christian saint among the Britons. Her name has doubtfully been linked to two Welsh churches and is found in manuscripts from the collection of Iolo Mo ...
, female Christian saint
*, Japanese sport shooter
;See also
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Eigenvalue, eigenvector and eigenspace
In linear algebra, an eigenvector () or characteristic vector of a linear transformation is a nonzero vector that changes at most by a scalar factor when that linear transformation is applied to it. The corresponding eigenvalue, often denoted ...
in mathematics and physics
* Eigenclass, synonym to ''
metaclass
In object-oriented programming, a metaclass is a class whose instances are classes. Just as an ordinary class defines the behavior of certain objects, a metaclass defines the behavior of certain classes and their instances. Not all object-oriente ...
'' in the
ruby programming language
Ruby is an interpreted, high-level, general-purpose programming language which supports multiple programming paradigms. It was designed with an emphasis on programming productivity and simplicity. In Ruby, everything is an object, including p ...
* Eigenbehaviour, with its connection to eigenform and eigenvalue in cybernetics (relevant authors being Heinz von Foerster, Luis Rocha and Louis Kauffman)
{{Disambiguation, geo, given name, surname