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A comment on What are eigen values?.

Re:What are eigen values? by ntownsend on Thursday August 13, 2009 @08:10AM (#760558)
That was an excellent explanation of the intuition and motivation behind eigenvectors.

Eigenvectors are also used extensively in pattern recognition. Notably, in facial recognition: http://en.wikipedia.org/wiki/Eigenface

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Re:What are eigen values? by fburnaby on Thursday August 13, 2009 @02:13PM (#761358)
And it's for the same reason as stated in the article.
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