POV-Ray : Newsgroups : povray.binaries.misc : Stochastic Spreadsheet : Re: Stochastic Spreadsheet Server Time
24 Sep 2021 14:33:22 EDT (-0400)
  Re: Stochastic Spreadsheet  
From: clipka
Date: 2 Sep 2016 01:26:21
Message: <57c90d7d$1@news.povray.org>
Am 02.09.2016 um 06:06 schrieb Bald Eagle:
> Here's a little spreadsheet to very simply illustrate how I'm thinking about
> this.

That's actually a pretty neat spreadsheet to illustrate why that
approach is wrong.

You generate a set of non-uniformly distributed random numbers by
applying a transformation function F(x)=sqrt(x), and you give a
probability density function f(x)=(2/3)*x^(2/3) (which I presume matches
the transformation function). So far so good.

But then you take those non-uniformly distributed random numbers and
apply a second transformation function, G(x)=x^n, and this time you fail
to account for the fact that this transformation again changes the
numbers' distribution.

Been there, done that. Doesn't work, I can tell you from experience ;)

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