This problem has been enhanced and now has additional test cases.
Replace NaNs with the number that appears to its left in the row.
Implement a ROT13 cipher
Prime factor digits
middleAsColumn: Return all but first and last element as a column vector
Draw 'O' !
calculate the day of the year from a date string.
nanoseconds passed today
Persistence will not help you solve this problem.
how to concatenate matrices
Find index of a string in a cell array
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