Estimate Decay Coefficient in Ae^-at Graph

[SuchBants]

Homework Statement

How can I estimate the decay coefficient in Ae^-at for this graph

I know the equilibrium position

Homework Equations

damped oscillation

The Attempt at a Solution

not sure if this is right.[/B]

 

[theodoros.mihos]

This is right for the first 'period'.
If these are experimental data, you may take a mean value over all possible differences.