It’s defined somewhere else in Grant’s notebook - you need to load the whole notebook for it to work
https://github.com/mitmath/18S191/blob/master/lecture_notebooks/Lecture%201%20-%20Images.jl
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It’s defined somewhere else in Grant’s notebook - you need to load the whole notebook for it to work
https://github.com/mitmath/18S191/blob/master/lecture_notebooks/Lecture%201%20-%20Images.jl