plot_individual_user

This is a graph of the Economist food price index. It shows the relationship of the price 
of food over time from 1980 to 1910. There is a weak negative correlation, meaning as time 
increased, the price of food decreased.

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);