From: Siep Korteling <s.korteling@...>
Date: 2008-02-09T08:43:14+09:00
Subject: Re: Internal Rate of Return (#156)

James Gray wrote:
> by Harrison Reiser
(...)
>This week's quiz is to calculate the IRR for any given variable-length 
>list of numbers, which represent yearly cash flows, 

In real life, it's not yearly. IIR needs a time dimension.

irr([-100, a_date],[+30,another_date],[+35,yet_a _date])

James, I learned a LOT thanks to you.

regards,

Siep


-- 
Posted via http://www.ruby-forum.com/.