The link for the problem 52 is wrong. https://www.mathworks.com/matlabcentral/cody/problems/52
The link has been fixed.
Back to basics 6 - Column Vector
middleAsColumn: Return all but first and last element as a column vector
Set the array elements whose value is 13 to 0
Replace multiples of 5 with NaN
Max Change in Consecutive Elements
Factorions: Numbers that equal the sum of the factorials of their digits
Airline Ticket Mod7 Checksum
Dudeney Numbers: Numbers which are the cube of their decimal sum
Whole Number Concatenator
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