I really don't see the point of that kind of problems where you can't use Matlab built-in functions.
Sum all integers from 1 to 2^n
Back to basics 9 - Indexed References
Permute diagonal and antidiagonal
Given a matrix, swap the 2nd & 3rd columns
Generate a NaN...on purpose
Make a logical diamond using GALLERY function
Matrix with different incremental runs
Combinations without using nchoosek
Generate a string like abbcccddddeeeee
Sophie Germain prime
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