If the input is a negative number, generate an error. Otherwise, return the number.
Factorize THIS, buddy
Find perfect placement of non-rotating dominoes (easier)
Sophie Germain prime
Change the sign of even index entries of the reversed vector
Replace multiples of 5 with NaN
Create a figure and plot data
List of built-in demo images
Triangular matrices in 3D array
How many figures currently exist?
Maximum of each diagonal
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