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Line 15: The damping ratio is then found from the logarithmic decrement by: : <math> \zeta = \frac{\delta}{\sqrt{~~1 + \left(\frac{(~~4\pi)^2} +{ \delta~~}\right)~~^2}} </math> Thus logarithmic decrement also permits evaluation of the [[Q factor]] of the system:

Logarithmic decrement: Difference between revisions