Very creative usage of blkdiag in collaboration with conv2. I prefer nnz over "any" for speed and compactness.
Swap the first and last columns
Back to basics 7 - Equal NaNs
Matrix indexing with two vectors of indices
Return area of square
Create cell array of numeric arrays
Create a figure and plot data
Find mistyped words in text (mixed-up letters)
Check if a directory is on the current MATLAB search path
Numeric array to cell array of strings (easy)
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