I really don't see the point of that kind of problems where you can't use Matlab built-in functions.
Word Counting and Indexing
Project Euler: Problem 2, Sum of even Fibonacci
Project Euler: Problem 6, Natural numbers, squares and sums.
Switch matrix to a column vector
length of a vector
Cody Computer Part 2 - Get the license number of Cody Computer
Fill a zeros matrix
Wind outward from the center ...
Remove the two elements next to NaN value
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