How to plot a heatmap using jet colormap or/and other matplotlib colormaps

As mentioned on the Julia Downloads page for linux, which Michael linked to above:

It is strongly recommended that the official generic binaries from the downloads page be used to install Julia on Linux

So I would really encourage you to follow this advice if at all possible - you don’t have to do much else than unzip a file on your local harddrive (and add Julia’s location to your PATH or create a symlink if desired), and you’ll save yourself a lot of trouble down the line.

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