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] -> 
The Hitchhiker's Guide to MATLAB
Whether the input is vector?
Longest run of consecutive numbers
Create matrix of replicated elements
Switch matrix to a column vector
Can you beat the lottery again (for hardcore coder) ?
Clear all empty variables from the workspace
How to reverse spdiags ?
Negation and new variables
Numbers spiral diagonals (Part 1)
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