This is two graphs of China's trade with Africa and their investment in the world. There has
not been a strong trend of importing or exporting more than the other. The total imports and
exports has continued to grow, but it somewhat alternates on who is doing more exporting.
They invested $316 billion over the world, spread out pretty evenly over the different regions
of the world.
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Matrix dimensions must agree.
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output = repmat(a,[1 1 3]).*single(im)/255;
Error in plot_individual_user_maps (line 49)
[heat] = plotSpotlight(im,heatmap,3);