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function averageMOI = ...
getAverageMomentOfInertia( directoryLocation, massUsed_grams_array )
%Given a directory of data labeled "Test_1", "Test_2", etc, will find
%the moment of inertia for each data set, using the mass used in grams
%at the corresponding index of the massUsed_grams_array. And from
%finding all of the moments of inertia, in this way, this function will
%return the average.
%First find the number of tests we need to run (will be equal to the
%length of the massUsed_grams_array)
numRuns = length(massUsed_grams_array);
%Create a sum variable, to which we will add our calculated MOI values:
sumOfMOIs = 0;
%For each of the runs, calculate the moment of inertia
for i = 1:numRuns
%Create the file name for the current run, in string:
currFileName = ['Test_', num2str(i), '.csv'];
%Create the full file path for the current run:
currFullFilePath = [directoryLocation, '\', currFileName];
%Get the current mass used in grams
massUsed_grams = massUsed_grams_array(i);
%Get the moment of inertia for this run
curr_MOI = getMomentOfInertia(currFullFilePath, massUsed_grams);
%Add this run's moment of inertia value calculated to the sum
sumOfMOIs = sumOfMOIs + curr_MOI;
end %for i = 1:numRuns
%Get the average moment of inertia value, by dividing by the total
%number of runs
averageMOI = sumOfMOIs / numRuns;
end