Mailing List AE-List@media-motion.tv ? Message #42422
From: Darby Edelen <dedelen@gmail.com>
Subject: Re: [AE] Expression while loops
Date: Thu, 8 Mar 2012 09:34:37 -0800
To: After Effects Mail List <AE-List@media-motion.tv>
As for Math.exp(x) that will depend on how you're using it.  Usually as x increases the result will increase exponentially (faster) as you've described.  If that's not the behavior then there may be some specifics in the way you're using it that are causing the result to behave differently.

Possible variations might include:

Math.exp(x) – returns 1 when x is 0 and exponentially larger values when x is above 0

Math.exp(-x) or 1 / Math.exp(x) – returns 1 when x is 0 and exponentially smaller values when x is above 0

Math.exp(1/x) – undefined at 0 (divide by 0, a vertical asymptote) but returns values ranging from infinity to e as x goes from 0 to 1.  Approaches horizontal asymptote of 1 as x increases from 1 to infinity.

-D

On Wed, Mar 7, 2012 at 10:08 AM, Gary Berendsen <gary@garyberendsen.com> wrote:

Also another question how do you invert the exponential curve from math.exp so things start slower and go fster at the end?

--
gary berendsen
http://garyberendsen.com
VFX generalist


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