I really don't see the point of that kind of problems where you can't use Matlab built-in functions.
Project Euler: Problem 3, Largest prime factor
Find the sum of the elements in the "second" diagonal
matrix of natural number
Is the input divisible by 3?
Cody Computer Part 2 - Get the license number of Cody Computer
Find all the zeros of sinus , cosinus and tangent in a given interval
Combinations without using nchoosek
Cody Computer Part 3 - Detect the graphic card used on Cody Computer
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