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Solution Library
Determine Polynomial Function and Estimate Data Values Using MATLAB
Question
Write a MATLAB program named yourlastnameL6.m that will do the following:
- Load the experimental data from the Microsoft excel file xlsx.
- Plot the experimental data in a figure window. The plot should show the experimental data points as blue X’s with no line. Appropriately annotate the plot.
- Estimate what the data values at t = 1.32 seconds, t = 6.25 seconds, and t = 9.0 seconds are using interpolation.
- Determine the best fit polynomial function describing the experimental data. Determine the least squared error (sum of squared error) for the best fit polynomial.
- Plot the experimental data points and the best fit polynomial function describing the experimental data on the same axes in a figure window. The plot should show the experimental data point’s as blue X’s with no line and the best fit polynomial function describing the experimental data as a solid red line. Appropriately annotate the plot.
Estimate what the data values at t= 1.32 seconds, t=6.25 seconds, and t=9.0 are using the determined polynomial function, i.e. evaluate the fit curve at the independent values you
Summary
This question belongs to MATLAB software and discusses about MATLAB program to load the given data and then plot the experimental data and to determine the best fit polynomial function.
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