I like the way James present a problem: educatiive and interesting.
Replace NaNs with the number that appears to its left in the row.
Sum of first n terms of a harmonic progression
Get the elements of diagonal and antidiagonal for any m-by-n matrix
Remove element(s) from cell array
If you prick us, do we not bleed?
Pseudo Square Root (Inspired by Project Euler 266)
Breaking Out of the Matrix
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