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## Homework Statement

I have made a plot of a given

*.wav*file in Matlab. The problem asks: find the fundamental frequencies of the 3 vibrating strings, and identify some of their harmonics.

## Homework Equations

3. The Attempt at a Solution [/B]

So I made a Matlab plot of the power spectrum over the range 0 to 2000 Hz (the range we are required to plot):

So how can I identify the fundamental frequencies using this plot (or by any other method)? And what would be their "harmonics"?

Any explanation would be greatly appreciated.