# Defining Eigenclass

**URL:** <https://www.ruby-forum.com/t/defining-eigenclass/102358>\
**Category:** Ruby\
**Created:** [August 15, 2006, 2:16pm UTC](https://www.ruby-forum.com/t/defining-eigenclass/102358 "2006-08-15T14:16:02Z")\
**Posts on this page:** 2\
**Page:** 2

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**Author:** ![maraby](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/f08c70/32.png) [@maraby](https://www.ruby-forum.com/u/maraby)\
**Post date:** [August 15, 2006, 2:18pm UTC](https://www.ruby-forum.com/t/defining-eigenclass/102358/21 "2006-08-15T14:18:42Z")

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On Aug 12, 2006, at 3:25 PM, Trans wrote:

> foo.\_class
> 
> And call it the “under class”.
> 
> T.

Creepy. Earlier today I was thinking we could just call it \_class in  
written communication and it could be the method name as well and  
everyone could “pronounce” it however they wanted .

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**Author:** ![maraby](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/f08c70/32.png) [@maraby](https://www.ruby-forum.com/u/maraby)\
**Post date:** [August 15, 2006, 2:17pm UTC](https://www.ruby-forum.com/t/defining-eigenclass/102358/22 "2006-08-15T14:17:44Z")

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On Sat, Aug 12, 2006 at 01:42:26PM +0900, M. Edward (Ed) Borasky wrote:

> So, was eigenclass named after the eigenvalue or the eigenvector?

I think it was named for the “eigen” in both.

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