Gross Domestic Profit in the US during certain year, as compared to the since the stock market 
crash in 1951. Most follow a similar tragectory in at first they are semi stable between 100-102, 
and then they steadily rise to 106 over a period of +4.  
Error using .*
Matrix dimensions must agree.

Error in plotSpotlight (line 30)
    output = repmat(a,[1 1 3]).*single(im)/255;

Error in plot_individual_user_maps (line 49)
        [heat] = plotSpotlight(im,heatmap,3);