# Any know how to tell if a graph has Exponential Decay?

Found 16th Apr 2011

As title really, how do you know if a graph/chart has exponential decay?

How do you work this out?

How do you work this out?

Found 16th Apr 2011

As title really, how do you know if a graph/chart has exponential decay?

How do you work this out?

How do you work this out?

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The way i read it is that the drop in results against the increase of X makes it exponential decay?

Or am i missing the point.

What happens if the results decay slightly when on log paper? (which they do)

Thanks, have checked out that site and no wiser lol

Edited by:"mds1256" 16th Apr 2011I will look for an example.

like this:

graph

Edited by:"chesso" 16th Apr 2011no, it will be a curved line as per the graphical evidence above ^^^^^

Edited by:"mds1256" 16th Apr 2011If will be a sloped line but depends on base of logs most people will assume natural logs (2.7 odd) as it's whats mostly found in science.

Answered and closed at OP requestSorry, commenting is no longer available on this discussion.