Dear All

Before we get into nationality bashing reading the following article 
may be useful. 

http://www-history.mcs.st-andrews.ac.uk/history/HistTopics/HistTopics/Matrices_and_determinants.html

After a quick glance my opinion is that the development was 
international and earlier than suggested below.

Unfortunately the development of terminology is not covered in 
detail so I can not say exactly when eigenvector & eigenvalue were 
coined.

For those who are interested in the History of Maths a more 
thorough exploration of the site from: 

http://www-history.mcs.st-andrews.ac.uk/history/

may be interesting.

Jean

To:                     [EMAIL PROTECTED]
Date sent:              20 Jan 2001 20:33:47 -0500
From:                   [EMAIL PROTECTED] (Herman Rubin)
Organization:           Purdue University Statistics Department
Subject:                Re: AW: eigenvalue:  origin of term

> In article
> <[EMAIL PROTECTED]
> >, Werner Wittmann <[EMAIL PROTECTED]> wrote:
> 
> 
> >Karl,
> >yes it is as German as your name.Value means "Wert" and eigenvalue
> >means "Eigenwert" and I guess it goes back to Carl Friedrich Gauss
> >who provided us with many math concepts,i.e. matrix algebra among
> >many others.
> 
> Gauss is responsible for lots of things in mathematics and
> statistics, but NOT for the "Gaussian distribution" and NOT
> for the term "eigenvalue".
> 
> The term is originally English as "characteristic value",
> and while the concept certainly goes back at least to Euler
> (principle axes of an ellipsoid and principle directions of
> the inertia matrix), the term came from the British
> algebraists in the second half of the 19th century.  The
> physicists and engineers did not read the algebra books in
> English, and copied "eigen" when translating it back.
> -- 
> This address is for information only.  I do not claim that these views
> are those of the Statistics Department or of Purdue University. Herman
> Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399
> [EMAIL PROTECTED]         Phone: (765)494-6054   FAX:
> (765)494-0558
> 
> 
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Jean M. Russell M.A. M.Sc.   [EMAIL PROTECTED]
Corporate Information & Computing Services, 
University of Sheffield 
285 Glossop Road
Sheffield
S10 2HB
United Kingdom
Phone:  0114-222-3098
Fax  :  0114-222-3040    


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