Weighted Random Number

Dr. Hawkins dochawk at gmail.com
Mon Mar 4 12:36:21 EST 2013


On Sun, Mar 3, 2013 at 5:46 PM, Roger Guay <irog at mac.com> wrote:

> I suspect this is easy, but I'm not coming up with anything. Can anyone
> tell me how to get weighted random numbers in LC? Say I want to position
> something on the screen randomly but favor the center of the screen. Any
> ideas?
>


The standard way is to use the Cumulative Distribution Function (CDF) of
the random numver that you really want.

However, adding two random numbers from 0 to half your max would also
average the middle of the screen with a pyramid-like distrivution

-- 
Dr. Richard E. Hawkins, Esq.
(702) 508-8462



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