This Live Script illustrates how to interactively fit data to a polynomial using tools available in a plot menu, and then how to programmatically fit the data in order to extract, display, and interpret fit parameter values and uncertainties. The script is designed for students just beginning to use MATLAB for data analysis. It may be used with real data substituted for the simulated data. 'Try this' suggestions and coding 'Challenges' are included for further exploration.
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