I'd suggest adding test cases in which n (or abs(n)) is larger than the dimension of x; for example, x is a 4-by-4 matrix and n = 6.
smooth~ basically same idea, my solution however is bit of inflexible.
Will work also for non-square input matrix x.
Test if a Number is a Palindrome without using any String Operations
Back to basics 9 - Indexed References
Flag largest magnitude swings as they occur
Find out total non zero element of matrix
Find my secret function IV
Hilbert Scan Algorithm
Relation between functions "dec2bin" & "dec2binvec"
Find my secret function I
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