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ESC 251 HW 27 Due: Nov. 19

Remember to hand in your MATLAB codes and any program output.

(6 pts) There are 4 Excel files that go with this assignment. You should write a script that will use the xlsread command to extract the columns of data from these files. Once the data is extracted, you should fit a spline to the data. Use this spline to find and print the integral of the tabular data.

You should have a loop in your program that processes each file. Do not simply repeat the same section of code 4 times.
You can set up an array of strings that will make the loop easier.
       s(1,:) = 'file1.xlsx'