Replicate each element of a row vector (with NaN) a constant number of times.
n=2, A=[1 2 3] -> [1 1 2 2 3 3]
n=0, A=[2 1] -> 
Clean the List of Names
surface of a spherical planet
How long is the longest prime diagonal?
06 - Matrix Equations 1
Two functions (to be sure)
Negation and new variables
Magic is simple (for beginners)
I want to know everything!
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