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 Files: 
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gatlinberg.m
    An example of loading an image file and applying different colormaps
    to it. This also shows use of graphics "handles" for text objects.

otherplots.m
    Examples of other plotting methods (histograms, etc.)  Also shows


findprimes.m
    A script that factors all the integers from 1 to n, and then
    displays information about how many factors each integer has.
    Because the computation can take a long time, results are also
    written to files for storage to avoid later recomputation.
        factor_info.mat 
        factors
            Creating the file factors shows how you can use string
            formating to display several numbers when you don't know
            how many there, or if you have varying numbers of values 
            to print.

eigenvalues
    Subdirectory showing some production-level code.