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So great job, and congratulations for making it through to the first real section of this course.

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I hope that now you understand better the concept of fitting data.

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So we have dealt with serious expansion with interpolation and then with really fitting a physically

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relevant function to our dataset.

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And as I told you earlier, we will later on in one of the later sections of this course, apply this

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concept to fit a function to a very complicated set of data.

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So we are then able to understand the behavior of several coupled harmonic oscillators.

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So it's a very complicated system, but we can better understand it by using our fitting procedure that

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we have just programmed.